This aerial photo taken on July 20, 2023 shows an outdoor historical relics park in Chengdu, capital of southwest China's Sichuan Province. An outdoor historical relics park opened a new area to public on Thursday in Chengdu. The relics park is located in the core area of the old city of Chengdu. Since 2013, archaeologists have discovered a large area of ancient city remains from Donghuamen Street to Chengdu Sports Center in Qingyang District of Chengdu, with an excavated area of about 49,000 square meters, mainly including relics of Warring States Period (475-221 BC), Qin (221-207 BC) and Han (202 BC-220 AD) dynasties, Sui and Tang Dynasties (581-907), Song Dynasty (960-1279) and Ming Dynasty (1368-1644).