Photo shows the Beijing 2022 presentation during the closing ceremony for the 2018 PyeongChang Winter Olympic Games at PyeongChang Olympic Stadium, PyeongChang, South Korea, Feb 25, 2018.[Photo/Xinhua]

Photo shows the Beijing 2022 presentation during the closing ceremony for the 2018 PyeongChang Winter Olympic Games at PyeongChang Olympic Stadium, PyeongChang, South Korea, Feb 25, 2018.[Photo/Xinhua]

Chen Jining (R), mayor of Beijing, China, receive Olympic flag from President of International Olympic Committee Thomas Bach during the closing ceremony for the 2018 PyeongChang Winter Olympic Games at PyeongChang Olympic Stadium, PyeongChang, South Korea, Feb 25, 2018.[Photo/Xinhua]

Photo shows the Beijing 2022 presentation during the closing ceremony for the 2018 PyeongChang Winter Olympic Games at PyeongChang Olympic Stadium, PyeongChang, South Korea, Feb 25, 2018. [Photo/Xinhua]