A coalition of groups, ranging from environmental activists to Native Americans advocating for their ancestral homelands, converged outside an airstrip in the Florida Everglades Saturday to protest the imminent construction of an immigrant detention center.

President Donald Trump plans to visit “Alligator Alcatraz,” the newest illegal immigrant detention center in Florida’s Everglades on Tuesday, the same day that the government had planned to move its first detainees into the site,