Divers play football underwater at ocean park in east China's Shandong

Divers play football at the Haichang Jingsha Ocean Park in Yantai, east China's Shandong Province, June 14, 2018. (Xinhua/Tang Ke)

Rays play football at the Haichang Jingsha Ocean Park in Yantai, east China's Shandong Province, June 14, 2018. (Xinhua/Tang Ke)

Rays play football at the Haichang Jingsha Ocean Park in Yantai, east China's Shandong Province, June 14, 2018. (Xinhua/Tang Ke)

Divers play football at the Haichang Jingsha Ocean Park in Yantai, east China's Shandong Province, June 14, 2018. (Xinhua/Tang Ke)

Sharks play football at the Haichang Jingsha Ocean Park in Yantai, east China's Shandong Province, June 14, 2018. (Xinhua/Tang Ke)