WASHINGTON, DC - MARCH 08: Tepees set up by Dakota Access Pipeline protesters stand next to the Washington Monument on March 8, 2017 in Washington, DC. Indigenous rights activists have started to set up a tepee camp next to the Washington Monument ahead of a protest against the Dakota Access pipeline. Thousands are expected to protest this Friday at the Army Corps of Engineers headquarters and outside of the White House. (Photo by Justin Sullivan/Getty Images)
