Two elephants drink water in Rotterdam Zoo, the Netherlands, on July 30, 2026. (Xinhua/Shao Haijun)
A polar bear stands in the cave in Rotterdam Zoo, the Netherlands, on July 30, 2026. (Xinhua/Shao Haijun)
Two sea lions play in Rotterdam Zoo, the Netherlands, on July 30, 2026. (Xinhua/Shao Haijun)
Visitors look at an elephant in Rotterdam Zoo, the Netherlands, on July 30, 2026. (Xinhua/Shao Haijun)
Visitors watch a sea lion swim in Rotterdam Zoo, the Netherlands, on July 30, 2026. (Xinhua/Shao Haijun)
A polar bear swims in Rotterdam Zoo, the Netherlands, on July 30, 2026. (Xinhua/Shao Haijun)
