The other nomination, the migratory bird sanctuaries, is a serial extension of the property of the same name that is already listed on the World Heritage List. The newly admitted five sites, namely an estuarine wetland in Chongming, Shanghai; the Yellow River estuary in Dongying, Shandong province; a wetland area in Cangzhou, Hebei province; a national-level nature reserve in Dalian, Liaoning province as well as the Yalu River estuary in Dandong, Liaoning, are part of Phase II, while Phase I sanctuaries, were inscribed on the World Heritage List in 2019.

According to the administration, the sanctuaries provide breeding, resting and wintering grounds for tens of millions of waterbirds.

China's heritage sites, including the two newly listed ones, are typical representatives of China's ecological civilization and the construction of a beautiful China, the administration said.

They also highlight China's strong determination and outstanding contributions to global biodiversity conservation, it added.

Xinhua contributed to this story.