(ANSA) - ROMA, 23 MAG - Divers assemble a piece of a
biodegradable material with several coral colonies on it, in the
tropical coral reef of Burgers' Ocean in Arnhem, the
Netherlands, 23 May 2022. The Delft start-up Reefy has developed
a method to restore dying coral reefs in the wild using
biodegradable material. (ANSA).