Beijing, March 29 (Youth.cn) - Photo taken on March 28th at the Zhangjiagang Port in Jiangsu Province. The port maintain operation at night to improve load and unload efficiency. To achieve yearly goal of cargo handling capacity, loading and unloading work do not stop even at night to ensure that ships do not overwhelm the port. For the first two month, the volume of container shipping reached 40,786 million tons, an year-to-year increase of 7.45%, the container throughput reached 169,546 TEU, an year-to-year increase of 30.78%. Photo/VCG