Visitors are thronging to a zoo in eastern China's Zhejiang province after a video of one of its bears went viral alongside rumours she looks so human she may be a staff member in a bear suit. Key points: The zoo has sought to refute the rumour in posts on its official WeChat account The zoo has sought to refute the rumour in posts on its official WeChat account Other Chinese zoos have been accused of trying to pass off dogs as wolves and donkeys as zebras Other Chinese zoos have been accused of trying to pass off dogs as…