Photo taken on April 8, 2018 shows a man-made wasp comb in Randahe Village of Lijiahe Town in Xuan'en County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province. Wasps are a wildlife insect species, the pupas of which are high in nutrition value. By breeding and selling pupas of wasps, local farmers have realized the increase of personal income. (Xinhua/Song Wen)