Photo taken on Feb. 16, 2017 shows a container terminal of Chuanshan Port in Ningbo City, east China's Zhejiang Province. China's gross domestic product expanded 6.9 percent year on year in the first half of the year to about 38.15 trillion yuan (5.62 trillion U.S. dollars), data from the National Bureau of Statistics (NBS) showed Monday. (Xinhua/Huang Zongzhi)