In this file photo taken on Feb. 4, 2011, female panda Xin Xin feeds on bamboo leaves in south China's Macao. It died of acute renal failure and related ailments on June 22, 2014. Xin Xin, along with Kai Kai, a male panda, 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)