French Prime Minister Manuel Valls (front, C) attends a graduation ceremony of the Sino-European Institute of Aviation Engineering at the Civil Aviation University of China, in the Airbus (Tianjin) site in Tianjin, North China, Jan 29, 2015. Manuel Valls visited the Airbus A320 Family Final Assembly Line China (FALC) and took part in related cooperation activities in Tianjin on Thursday. At the invitation of Chinese Premier Li Keqiang, French Prime Minister Manuel Valls will pay an official visit to China from Jan 29 to 31. [Photo/Xinhua]