Giant panda "Meng Meng" waits for boarding a chartered flight at an airport in Chengdu, capital of southwest China's Sichuan Province, June 24, 2017, to leave for Berlin Zoo in Germany. "Meng Meng", a four-year-old female panda, and "Jiao Qing", a seven-year-old male, will settle in their new home in Berlin on a 15-year research mission.