Photo taken on March 3, 2017 shows the excavation of a tomb cluster in Chengdu City, capital of Southwest China’s Sichuan Province. Chinese archeologists excavated nearly 200 tombs and discovered more than 540 bronze items in the cluster dating from between the Spring and Autumn Period (770-476 B.C) and the Warring States Period (475-221 B.C). The largest number of items was found in a tomb holding a boat-shaped coffin, which was carved out of a tree trunk and sealed with mud. (Photo/Xinhua)
