A rare animal is released to nature in Qilian County, Haibei Tibet Autonomous Prefecture, Qinghai. (Photo provided by Qinghai Provincial Administration of Qilian Mountain National Park)

A rare animal is released to nature in Qilian County, Haibei Tibet Autonomous Prefecture, Qinghai. (Photo provided by Qinghai Provincial Administration of Qilian Mountain National Park)
The year 2021 has witnessed the largest increase of the ageing population as well as the highest growth rate over the past five years in Beijing, said the report, which was jointly released by the Beijing Municipal Working Commission on Ageing and Beijing Municipal Committee on Ageing at the Smart Health and Retirement Conference held during the China International Fair for Trade in Services (CIFTIS).