Aerial photo taken on Aug. 14, 2017 shows edible fungus hericium erinaceus (hedgehog hydnum) greenhouses in Hailin town of Hailin City, northeast China's Heilongjiang Province. The city, famous for its hericium erinaceus production, is seeing a fast development of the edible fungus industry in the recent years as the local growers are supported with favorable policy and market oriented experiments. (Xinhua/Zhang Chunxiang)
