Autumn scenery of Nanhu Park in north China's Hebei Province

Aerial photo taken on Oct. 24, 2019 shows the autumn scenery of Nanhu Park in Tangshan, north China's Hebei Province. Nanhu Park used to be a deserted spot due to coal exploitation. Over years of management, the park has been serving as the "green lung" of Tangshan. (Xinhua/Xing Guangli)