White whales form a heart shape under the guidance of an animal trainer at Harbin Polarland in Harbin, Northeast China’s Heilongjiang province, on May 28. The performance was put on in celebration of International Children’s Day for around 500 Harbin primary school students. [Photo/people.cn]
Students interact with a penguin at Harbin Polarland in Harbin, Northeast China’s Heilongjiang province, on May 28. [Photo/people.cn]
Students admire some goldfish at Harbin Polarland in Harbin, Northeast China’s Heilongjiang province, on May 28. [Photo/people.cn]
Students wave at the camera at Harbin Polarland in Harbin, Northeast China’s Heilongjiang province, on May 28. [Photo/people.cn]