There’s been an uptick in art projects happening at the border now that President Donald Trump is in office. With so much attention on the border, it’s worth taking a quick look at some of the art that’s attempted to tackle the prickly issues surrounding it. Here are 20 instances of gutsy, controversial art that has explored the border.

When First Lady Pat Nixon inaugurated Friendship Park in 1971, she said, “I hope there won’t be a fence here too long.” Instead, the fencing and wire has gotten more intense. But it hasn’t stopped a steady stream of cross-border gardening ventures, yoga classes, prayer services and fleeting pinky touches.

In this week’s San Diego Explained, Ari Bloomekatz and NBC 7’s Catherine Garcia explore the troubled past of the defunct Desert Line, highlighting where the project to rebuild the track is headed.

A group of border-region business interests are eager to see the Desert Line become reality, but the project is now mired in conflicts involving its latest owners and the Metropolitan Transit System – and at least two U.S. congressmen want to know just what the heck is going on.