Undated file photo provided by Sino-Africa Joint Research Center (SAJOREC) shows Dendrosenecio keniensis (Baker F.) Mabb., or giant groundsel, which is only found in east Africa. The International Day for Biological Diversity falls on May 22. (SAJOREC/Handout via Xinhua)
International Day for Biological Diversity: plants in Africa
Source: Xinhua| 2021-05-22 07:57:06|Editor: huaxia