Meng Dan, a cultural relic repair technician, repairs a bronze antique of the Warring States Period (475-221 BC) at Liaoning Provincial Museum in Shenyang, capital of northeast China's Liaoning Province, May 17, 2016. There are a group of cultural relic repair technicians at the heritage conservation center of Liaoning Provincial Museum. Most of the items displayed at the museum have been dealt with by them. [Photo/Xinhua]