This week, a cruise ship embarked on a trip through a historically impassable path of water.

The liner, Crystal Serenity, is sailing from Seward, Alaska, through the Northwest Passage, which connects the Pacific and Atlantic Oceans along the northern coast of Canada.

In the past, ships have been trapped in the passage by sea ice, but because of climate change, that's less of a concern now.

For more, we're joined by Jeanette Lee Falsey, business reporter for the Alaska Dispatch News.