Ground staff members see off MU7201, the first passenger flight to depart from the newly-built Terminal 2 of Lukou Airport in Nanjing, capital of east China's Jiangsu Province, July 12, 2014. The T2 of Nanjing's Lukou Airport was officially put into use on Saturday. With the new terminal building in service, the annual passenger volume of Lukou Airport is expected to hit 30 million by 2020. (Xinhua/Shen Peng)