An inspector tests the plants left on the cargo plane which carried alpacas in Zhengzhou, capital of central China's Henan Province, April 13, 2016. A total of 622 alpacas from Santiago, Chile, landed in Zhengzhou after 27 hours of flight. They will receive a 30-day quarantine before being bred and displayed as ornamental animals in the city. (Xinhua/Ma Yichong)