Aerial photo taken on Oct. 13, 2019 shows a ceremony to pay homage to Emperor Yandi, a legendary ancestor of the Chinese nation, in Yanling County, where the mausoleum of Emperor Yandi is located, in central China's Hunan Province. Some 5,000 people took part in the ceremony on Sunday. (Xinhua)

Aerial photo taken on Oct. 13, 2019 shows a ceremony to pay homage to Emperor Yandi, a legendary ancestor of the Chinese nation, in Yanling County, where the mausoleum of Emperor Yandi is located, in central China's Hunan Province. Some 5,000 people took part in the ceremony on Sunday. (Xinhua)

People take part in a ceremony to pay homage to Emperor Yandi, a legendary ancestor of the Chinese nation, in Yanling County, where the mausoleum of Emperor Yandi is located, in central China's Hunan Province, Oct. 13, 2019. Some 5,000 people took part in the ceremony on Sunday. (Xinhua)

Aerial photo taken on Oct. 13, 2019 shows a ceremony to pay homage to Emperor Yandi, a legendary ancestor of the Chinese nation, in Yanling County, where the mausoleum of Emperor Yandi is located, in central China's Hunan Province. Some 5,000 people took part in the ceremony on Sunday. (Xinhua)