Project for city development continues in NW China's Gansu

Construction vehicles work at a hilly region in Lanzhou, capital of northwest China's Gansu Province, Dec. 10, 2012. A project of land development has been under construction here since this October as the city planned to remove some of its barren hills to provide land of 25 square kilometers in half a year for city development. (Xinhua/Nie Jianjiang)