A worker welds two parts of the Beijing 2022 Winter Olympic Games emblem seal together, July 29, 2019. Authorized by the Beijing Organizing Committee of the Olympic and Paralympic Winter Games, emblem seals made of Hetian greenish white jade and gold were set to be issued with limited numbers later this week, announced the BOCOG on July 31, 2019. A total of 2,022 jade seals and 5,000 gold ones will be released to the market on Saturday, according to the organizers. (Xinhua/Zhang Yuwei)