In this file photo taken on Dec. 15, 2010, male panda Kai Kai and its female partner Xin Xin feed on bamboo leaves in south china's Macao. Kai Kai, along with Xin Xin, who died of acute renal failure and related ailments on June 22, 2014, were presented by the Chinese central government to Macao as a gift for the 10th anniversary of the Macao Special Administrative Region (SAR) in 2009. The Chinese central government will confer another pair of giant pandas to Macao, President Xi Jinping said here Friday, during his meeting with Chui Sai On, chief executive of the Macao SAR. (Xinhua/Cheong Kam Ka)