An ancient square bronze ding vessel of late Warring States Period is shown at an exhibition in Xiangyang, Central China’s Hubei province on May 23, 2016．Excavated in 1991, it is 25.2 centimetres high, 18.4 centimetres wide and 28.2 centimetres long. With a lid, and loop handles, the four-legged vessel was divided into two sections, and functioned as a cauldron for boiling food. (Photo/IC)
