Farmer Guo Xiliang (L) and his son-in-law Guo Jinhua split honey from hives in Wudi County of Binzhou, East China's Shandong Province, June 22, 2019. (Photo: Xinhua)

Farmer Guo Xiliang collects honey in Wudi County of Binzhou, East China's Shandong Province, June 22, 2019. (Photo: Xinhua)

Farmer Guo Fumei collects honey in Wudi County of Binzhou, East China's Shandong Province, June 22, 2019. (Photo: Xinhua)

Farmer Guo Fumei collects honey in Wudi County of Binzhou, East China's Shandong Province, June 22, 2019. (Photo: Xinhua)