TIANJIN, May 8, 2016 (Xinhua) -- A container carrying China's new-generation Long March-7 rocket is seen at the port in north China's Tianjin, May 7, 2016. The Long March-7 rocket departed for its launch base in Hainan on Sunday from Tianjin. It has taken researchers eight years to develop the medium-sized rocket, which can carry up to 13.5 tonnes to low Earth orbit, said Li Hong, director of the Carrier Rocket Technology Research Institute with the China Aerospace Science and Technology Corporation. (Xinhua/Chen Xi)