People do morning exercise at a park in Dhaka, Bangladesh, on Dec 30, 2021.Photo:Xinhua

People do morning exercise at a park in Dhaka, Bangladesh, on Dec 30, 2021.Photo:Xinhua

People do morning exercise at a park in Dhaka, Bangladesh, on Dec 30, 2021.Photo:Xinhua

People do morning exercise at a park in Dhaka, Bangladesh, on Dec 30, 2021.Photo:Xinhua

People do morning exercise at a park in Dhaka, Bangladesh, on Dec 30, 2021.Photo:Xinhua