China's fixed-wing aircraft for polar flight lands at Kunlun Station

China's first fixed-wing aircraft for polar flight Snow Eagle 601 flies over the sky above the Kunlun Station at about 4,000 meters above the sea level near Dome A, Jan. 18, 2019. Snow Eagle 601 landed successfully at the airport of Kunlun Station on Friday, the third time the aircraft landed successfully in the airport since its use. (Xinhua/Liu Shiping)