Burning Man festival attendees constructed a giant cage on wheels to protest technology companies that have contracts with U.S. Immigration and Customs Enforcement.

Newsweek reported immigration advocacy group Mijente created the art installation to raise awareness about software company Palantir and tech giant Amazon's involvement with the federal immigration agency.

Burning Man, an annual event that sees a "temporary city" erected in the Black Rock Desert of northwest Nevada, is known to attract tech leaders and workers.

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“We're conducting an action at Burning Man to start a conversation with these tech workers, in hopes of building the bridge between families being torn apart by ICE, and the tech companies that code the software to help ICE,” a Mijente spokesperson said.

According to The Intercept, Palantir has a $51 million contract with ICE to provide software that helps the agency gather information about undocumented immigrants. Amazon doesn’t directly contract with ICE but does provide services to Palantir enabling its work with the agency.

Mijente representatives at the festival also handed out fans with photos of Palantir CEO Alex Karp and Amazon CEO Jeff Bezos on them with, "Who's behind ICE?" printed on the back, SFGate.com reported.

See reaction from Dan Bongino above, and watch a time-lapse video of the construction of the cage below.

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