The "closed" sign is seen in front of the Giant Panda Experience of the Toronto Zoo after the last day to see giant pandas for the public at the Toronto Zoo in Toronto, Canada, March 18, 2018. The Giant Panda Experience of the Toronto Zoo was officially closed to the public after 6 p.m. on Sunday. Giant pandas will be moved to the Calgary Zoo later this month. (Xinhua/Zou Zheng)