An aerial view of the ruins of the Tongji Gate in Nanjing City, capital of East China's Jiangsu province, April 13, 2016. The Tongji Gate was a remarkable boat-shaped structure built in the Ming Dynasty (1368-1644). Local authorities are trying to turn the area around the ruins into a park and have identified the location of the gate's northwestern part after lengthy archeological work. [Photo/China News Service]