China's earliest palace discovered in 5,300-year-old ancient capital

Aerial photo taken on Aug. 27, 2019 shows the Shuanghuaishu site in Heluo Township of Gongyi, central China's Henan Province. China has uncovered its hitherto earliest palace in central China's Henan Province, extending China's history of constructing palaces by about 1,000 years. (Xinhua/Li An)