Beneath Miami’s skyscrapers, a colony of corals defies expectations—and offers insight into other undersea urban ecosystems.

15K likes, 65 comments - natgeo on May 17, 2026: "Unwind with a little assistance from some underwater coral. 🪸 #AmericasNationalParks is streaming on @DisneyPlus and @hulu.".

The 1,000-day underwater timelapse, recorded on an urban reef in Miami, shows corals bleaching before making a miraculous recovery.

Conceived by curator Ximena Caminos, the Reefline aims to replenish threatened coral reefs.