The Brief

A pop-up book that’s seeking to break the world record for size has unfolded at the Central Library in downtown Los Angeles.

The art piece is 31 feet wide, more than 11 feet tall, and weighs in at 1,800 pounds.

Luceros y Penumbras, which roughly translates to “starlight and shadows,” is rooted in L.A. artist Daniel González’s experience visiting the library and his family in Mexico as a child.

“It's a knowledge tree that's been shaped by all these different things that I've learned at the library, about myself, about the city I grew up in, [and] about the town where my family's from,” González said.

The nonprofit Library Foundation of Los Angeles collaborated with the library to commission the piece as part of the Central Library’s centennial celebration.

The project is inspired, in part, by the library’s Toy Movable collection, an archive of more than 2,000 pop-up books.

“Normal pop-up books … they seem so simple, but something amazing pops out when you open the page,” said Todd Lerew, the foundation’s director of special projects. “That sort of childlike wonder that you feel that's persistent, even as an adult, is something that was really important to capture and dial up to 11 with this project.”

The origin of 'Luceros'

The foundation asked González in June 2025 to create a book that told the story of his personal relationship with the library. As González pondered questions including  ”What did the library do for me as a young person?" and "Why was I so attracted to it?" he thought about how knowledge was passed down in his family through the generations.

His grandmother told him stories about the stars above her farm near Teúl, Zacatecas, in Mexico. She said those that emerged at dawn — luceros — were among the most special because they signaled the start of a new day.

“ I looked at those stars … and the histories that my grandparents were sharing with me as these guiding lights,” González said. “Just like the library is a guiding light for many people.”

Daniel González's maternal grandmother, Isabel Gómez, told him stories about the creatures that lived near her farm, including owls, that could teach healing.

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Courtesy Daniel González

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González grew up blocks away from the Benjamin Franklin Library in Boyle Heights.

“ I spent summers there because it was literally the coolest place to be,” González said. “It just gave me the opportunity to explore anything that I had an interest in.”

Daniel González, as a child, after an unsuccessful attempt to make a kite after a trip to the library.  "My dad's like, 'I'm gonna take a picture of you so you can see what you look like when you get grumpy,'" he said.

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Courtesy Daniel González

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Later, he’d visit the Central Library during a middle school field trip and return on the bus to wander the stacks and ask the staff questions.

“ I'm really lucky that I met the people that nurtured that curiosity,” González said.

From sketches to ‘paper engineering’

First, González sketched the images, carved them into linoleum, printed them with ink and digitized them to add color and other details.

A few of Daniel González's tools. In the future, he plans to sell prints related to "Luceros y Penumbras."

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Mariana Dale

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LAist

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Matthew Reinhart, children’s book author, illustrator and “paper engineer,” was tasked with translating the images into three dimensions.

“ My job is really making mistakes,” Reinhart said. “Making mistakes, figuring out where they are and solving them and — of course — making them look good.”

The construction and the fabrication of the book took the work of more than 30 people over a series of months. At least a dozen people using giant poles capped with cushions turn the pages.

Luceros y Penumbras is four pages that open to create two scenes — one of the Central Library building and another of a sprawling tree with an I Spy-like collection of creatures and images throughout. The featured pages will change throughout the exhibition, which is open until mid-November.

There are at least a dozen different symbols throughout “Luceros y Penumbras."

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Mariana Dale

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LAist

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The sea turtle at the base of the tree is a reference both to the creatures that live in the San Gabriel River and to the original inhabitants of the L.A. basin. The Gabrielino-Tongva Tribe tells a story that connects the region’s earthquakes to the turtles.

“When we think of sea turtles, we think of these faraway places where they live, like tropical places,” González said. “But they exist here and they've had to adapt to a changing climate, a changing environment, and find places to call home, just as people do.”

Other images include:

• A star resting in an outstretched hand in honor of Octavia E. Butler, the science fiction writer who also spent time in the library. 
•  Quetzalcoatl, the feathered serpent Aztec deity and a frequent motif in East L.A.’s murals. 
• An owl, a symbol of knowledge associated with the Greek goddess Athena and the Roman goddess Minerva. 

González said the goal is for viewers to create their own narrative about what they see.

“ I just hope that people carry with them a sense of curiosity to further explore the things that I present, but also maybe something within them,” González said.

Visit the pop-up book

The Rocky Mountain Biological Laboratory may run the second-longest study of  individually identifiable mammals in the world, but they’re not afraid of trying something new.

The lab is launching a bracket-style competition, Fat Marmot Week, for people all over the world to vote for their favorite chunky ground squirrel.

The UCLA researchers who work there have faced a loss of federal funding in recent years, so they’re now pursuing creative fundraising efforts, including a (G-rated) OnlyFans account for marmot content called OnlyMarms and a meme coin created by supporters of the project.

Where the idea came from

Dan Blumstein, a UCLA ecology and evolutionary biology professor who came up with OnlyMarms, said he’s wanted to do a Fat Marmot Week ever since the success of Fat Bear Week, in which the public votes on grizzly bears bulking up for the winter in Alaska. But it took two of his graduate researchers, Katie Adler and Emily Renkey, along with another volunteer who helps with logistics, to see it to fruition.

“ Science isn't just writing the papers, it's also the communication side of things,” said Adler, who’s also the lab’s field team leader.

Like bears, marmots prepare for the winter by fattening up, with some more than doubling in weight from about 5.5 pounds to as much as 13. But unlike bears, marmots are true hibernators. For months, their body temperature drops very low, and they breathe and have a heartbeat about once a minute. (Blumstein described a hibernating marmot as “sort of a fuzzy stone.”)

These two specimens are called Dawn and Dan's Hat.

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Courtesy Dan Blumstein/UCLA

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Adler said she likes highlighting what makes the portly rodents interesting, which is harder “ when you're covered in marmot poop and sweating your butt off.”

“I think it’s fun to think of this from an outside perspective – why do we like marmots and how can we share that with other people?” Renkey said.

About the marmots

The marmots are all given names to help tell them apart based on markings the researchers dye on their fur.

Their names range from Dawn, who is reportedly a “a very special boy who enjoys the taste of rocks,” to a “proud mama” named 1 and a “girl boss” with no mate named Open Kite.

“Our parties are quite boring to other people because all we do is talk about the marmots,” Blumstein said. “It's a soap opera.”

Funding troubles

Faced with federal funding cuts, Blumstein realized he had to get creative in order to keep research going, starting with the OnlyMarms account.

But he said he wasn’t expecting the “extraordinary” response – the meme coin has made more than $100,000 in transaction fees, though it’s still short of the $225,000 to $300,000 they need to fundraise to bring in another graduate student for further research.

Blumstein said while all funding is welcome, including the OnlyMarms subscriptions, it’s much easier for them to accept direct donations for tax purposes. The money will go to support researchers like Renkey and Adler’s contributions to the nearly 65 years of marmot research at the lab.

The tournament

Eight competitors will face off — five females and three males. There’ll also be a “true” winner who’s announced at the end based on the lab’s measurements on which marmot gained the most weight this spring and summer.

The first round of voting will be Monday, Aug. 24, followed by the semifinals on Wednesday, Aug. 26, and the final showdown on Friday, Aug. 28. Voting runs from 6 a.m. to 6 p.m. PDT.

“Everyone should vote. It's very exciting,” Renkey said. “They're huge this summer.”

The younger bald eagle that Shadow has been seen hanging out with around Big Bear’s famous nest lately has a new name.

The bird, which is believed to be a female, is banded as KD1. Friends of Big Bear Valley, the nonprofit that runs the popular YouTube livestream, has dubbed her Kaydee.

The organization generally doesn’t name visiting eagles, but Kaydee is sticking around so far and could become a new online star after Shadow’s long-time mate Jackie died last week.

So, who is this new eagle in the nest?

One expert told LAist that Kaydee is more than 4 years old and was probably wandering much further than Big Bear before it was spotted on camera.

“This is kind of the banders dream, right? You put bands on a bird so that you can possibly get … a one-off observation of where it is at some point in its life, and we're getting way, way more than that,” said Jenna Carpenter, a field biologist and environmental specialist with the Orange County Water District.

“In this instance, we're getting 24/7 views and people are so tuned into it that they're keeping really good track of where KD1 is, and it's really awesome.”

Meet Kaydee

Kaydee was first recorded on the livestream cameras in the Big Bear habitat on Aug. 6 — a few days before Jackie died — according to Friends of Big Bear Valley.

The nonprofit said the eagle started to perch by Shadow in several trees, which it has continued to do in the weeks since. The group recently referred to Kaydee as Shadow’s “shadow.”

Kaydee is from the Prado Basin area, where its parents Ricky and Lucy nest nearby. Carpenter said Ricky and Lucy have raised around a dozen eaglets since 2021, when they first started setting up shop in the area.

The eagle wears two bracelet-like bands on its legs, including a lavender-colored one, which can be used to track Kaydee in different areas.

“If someone sees [the color band] with a scope or binoculars or a zoom camera, it can be reported and put into a research database, which adds to the opportunity to progress conservation for raptors and eagles,” Carpenter said.

You can learn more about reporting a bird with a federal band or color marker here.

Will Kaydee stick with Shadow?

Kaydee is what's known as a subadult eagle, a stage in which Carpenter said raptors are still trying to figure out what they want to do and where they want to be.

“Big Bear’s a nice habitat, obviously they've been visiting this nest, you know, there's some interest there whatever it may be,” she said. “So it's possible that they stick around and find a mate, whether that be Shadow or another adult eagle.”

But it’s also possible Kaydee moves onto another habitat after the off-season. Whatever happens, Carpenter said us humans get to go along for the ride through the livestream, which she described as a privilege.

“We get this chance to witness something that we would not normally get to witness, because we know exactly who this bird is and we happen to have cameras in the area,” she said. “It might be everything and it might be nothing, and either way, I think that's really exciting that we get to have a little peek into this world.”

The Esquivel family opened their first taqueria at Playas de Tijuana 15 years ago, with a focus on individually crafted tacos, each with its own pairing of salsa.

Since then, Taqueria Tijuanero — formerly Tijuanazo — has become an increasingly popular SoCal taco chain.

Owner Aria Esquivel sat down with AirTalk Friday host Austin Cross to talk about how it all started from a humble Tijuana brick-and-mortar and how they stay true to their distinct North Mexican menu.

The art of the taco

Esquivel’s father and mastermind behind Taqueria Tijuanero, Antonio Esquivel, began working in kitchens when he was 16 years old, working his way up from dishwasher to cook at French restaurants in Beverly Hills.

“What he really loved about the taco and the art of the taco in Tijuana is how these ingredients mesh so well together,” Esquivel said.

That’s when the family opened up their own restaurant in Playas de Tijuana in 2011.

Mexico's taco diversity

Because of Mexico’s diverse landscape of crops, history and even weather patterns, taco styles can actually vary quite a bit depending on where you are in the country.

“ The tacos in Mexico City are different," Esquivel said. "The tacos in Sonora are different. The Tijuana tacos are different."

Fresh al pastor

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(Courtesy Taqueria Tijuanero

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Al pastor taco

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Courtesy Taqueria Tijuanero

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Bill Esparza, the James Beard Award-winning food writer who's spent the last two decades chronicling L.A.'s taco scene, helped curate Taqueando After Dark, a new food festival that will feature eight L.A. taco vendors, including Taqueria Tijuanero.

“When I see theirs, I see what I see in Mexico,” Esparza said of Taqueria Tijuanero’s tacos, adding, “It’s a taco that really has a lot of intentionality behind it.”

How to experience Taqueando After Dark festival

Taqueando After Dark takes over Level 8 for two nights, Aug. 27 and 28. (Courtesy of Level 8)

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Courtesy Taqueando After Dark

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Read more: LA taqueros meet Baja’s best for two-night DTLA taco festival

New location coming:

• The family is in the process of opening its third SoCal location in Echo Park.

How to visit:

• Address: 355 S Atlantic Blvd., East Los Angeles
• Hours: Closed on Mondays | Tuesday-Sunday, open from 11 a.m. to 10 p.m.
• Costs: Tacos are $3.95 each