Open this photo in gallery: Two sun bears interact in their enclosure at Hangzhou Zoo in Hangzhou, in China's eastern Zhejiang province on Aug. 1.STR/AFP/Getty Images Visitors are thronging a zoo in eastern China’s Zhejiang province after a video of one of its bears went viral with some netizens suggesting she looked so human that she might be a staff member in a bear suit, local media reported on Tuesday. Visitor numbers at Hangzhou Zoo have gone up by 30 per cent to around 20,000 a day since a video of the Malayan Sun bear, named Angela, became a trending...