Chinese white dolphins frolic in Leizhou Bay, Zhanjiang, south China's Guangdong Province, May 16, 2024. Hailed as "mermaids" and "giant pandas in the sea," this endangered species is under the national first-class protection in China. Leizhou Bay was listed as a Chinese white dolphin natural reserve area in Zhanjiang in 2007. Currently, Zhanjiang is home to the world's second largest group of Chinese white dolphins. Photo: China News Service

Chinese white dolphins frolic in Leizhou Bay, Zhanjiang, south China's Guangdong Province, May 16, 2024. Photo: China News Service

Chinese white dolphins frolic in Leizhou Bay, Zhanjiang, south China's Guangdong Province, May 16, 2024. Photo: China News Service

A Chinese white dolphin frolics in Leizhou Bay, Zhanjiang, south China's Guangdong Province, May 16, 2024. Photo: China News Service

Chinese white dolphins frolic in Leizhou Bay, Zhanjiang, south China's Guangdong Province, May 16, 2024. Photo: China News Service

Chinese white dolphins frolic in Leizhou Bay, Zhanjiang, south China's Guangdong Province, May 16, 2024. Photo: China News Service