Florida's attorney general says the migrant detention facility is on track to open in early July, at a little-used airfield in the Everglades. Environmental activists hope they can stop the project.

A convoy of trucks carrying tents, construction materials and portable toilets flows into a virtually abandoned airport in Florida's picturesque Everglades, a UNESCO World Heritage Site.But they're not helping build the region's next big tourist attraction.

"Alligator Alcatraz" is the nickname for a planned temporary immigrant detention center in the Florida Everglades.