![Peter Dejong A fish swims in a coral reef as divers with gloved hands gently nestled the first self-bred corals from the World Coral Conservatory project amongst their cousins in Europe's largest coral reef at the Burgers' Zoo in Arnhem, eastern Netherlands, Monday, April 22, 2024. (AP Photo/Peter Dejong)](https://mapi.associatedpress.com/v2/items/d81fb1a1072142d7afc42b83afb54266/preview/preview.jpg?s=680x)
A fish swims in a coral reef as divers with gloved hands gently nestled the first self-bred corals from the World Coral Conservatory project amongst their cousins in Europe's largest coral reef at the Burgers' Zoo in Arnhem, eastern Netherlands, Monday, April 22, 2024. (AP Photo/Peter Dejong)
![Peter Dejong Divers with gloved hands gently nestled the first self-bred corals from the World Coral Conservatory project amongst their cousins in Europe's largest coral reef at the Burgers' Zoo in Arnhem, eastern Netherlands, Monday, April 22, 2024. (AP Photo/Peter Dejong)](https://mapi.associatedpress.com/v2/items/d0fae2ab5db241fa8b2b6ae13a654f95/preview/preview.jpg?s=680x)
Divers with gloved hands gently nestled the first self-bred corals from the World Coral Conservatory project amongst their cousins in Europe's largest coral reef at the Burgers' Zoo in Arnhem, eastern Netherlands, Monday, April 22, 2024. (AP Photo/Peter Dejong)
![Peter Dejong Divers with gloved hands gently nestled the first self-bred corals from the World Coral Conservatory project amongst their cousins in Europe's largest coral reef at the Burgers' Zoo in Arnhem, eastern Netherlands, Monday, April 22, 2024. (AP Photo/Peter Dejong)](https://mapi.associatedpress.com/v2/items/87999629e7d24acf85185b3efa667978/preview/preview.jpg?s=680x)
Divers with gloved hands gently nestled the first self-bred corals from the World Coral Conservatory project amongst their cousins in Europe's largest coral reef at the Burgers' Zoo in Arnhem, eastern Netherlands, Monday, April 22, 2024. (AP Photo/Peter Dejong)
![Peter Dejong Divers with gloved hands gently nestled the first self-bred corals from the World Coral Conservatory project amongst their cousins in Europe's largest coral reef at the Burgers' Zoo in Arnhem, eastern Netherlands, Monday, April 22, 2024. (AP Photo/Peter Dejong)](https://mapi.associatedpress.com/v2/items/6888d4868695412ba254c87c0917ef5c/preview/preview.jpg?s=680x)
Divers with gloved hands gently nestled the first self-bred corals from the World Coral Conservatory project amongst their cousins in Europe's largest coral reef at the Burgers' Zoo in Arnhem, eastern Netherlands, Monday, April 22, 2024. (AP Photo/Peter Dejong)
![Peter Dejong Divers with gloved hands gently nestled the first self-bred corals from the World Coral Conservatory project amongst their cousins in Europe's largest coral reef at the Burgers' Zoo in Arnhem, eastern Netherlands, Monday, April 22, 2024. (AP Photo/Peter Dejong)](https://mapi.associatedpress.com/v2/items/c7118562d1a443b9b325f1e0fa14d229/preview/preview.jpg?s=680x)
Divers with gloved hands gently nestled the first self-bred corals from the World Coral Conservatory project amongst their cousins in Europe's largest coral reef at the Burgers' Zoo in Arnhem, eastern Netherlands, Monday, April 22, 2024. (AP Photo/Peter Dejong)
![Peter Dejong Divers with gloved hands gently nestled the first self-bred corals from the World Coral Conservatory project amongst their cousins in Europe's largest coral reef at the Burgers' Zoo in Arnhem, eastern Netherlands, Monday, April 22, 2024. (AP Photo/Peter Dejong)](https://mapi.associatedpress.com/v2/items/e7f03baa9fa7420a8af277870b11de0e/preview/preview.jpg?s=680x)
Divers with gloved hands gently nestled the first self-bred corals from the World Coral Conservatory project amongst their cousins in Europe's largest coral reef at the Burgers' Zoo in Arnhem, eastern Netherlands, Monday, April 22, 2024. (AP Photo/Peter Dejong)