Photo taken on Oct. 9, 2021 shows the obverse of the commemorative coins to celebrate the 2020 UN Biodiversity Conference, in Beijing, capital of China. China's central bank is set to issue a set of commemorative coins on Oct. 11, 2021 to celebrate the 2020 UN Biodiversity Conference. The commemorative set contains one gold coin and one silver coin. (Xinhua/Li He)
