China-Europe freight train services surge in first 4 months

Aerial photo taken on April 14, 2017 shows the port station of Chongqing-Xinjiang-Europe railway in Chongqing, southwest China. The Chongqing-Xinjiang-Europe railway, which was put into service in 2011, has boosted economic cooperation between all the countries along the route. (Xinhua/Liu Chan)