Beijing gears up for the upcoming Winter Olympics(1/6)

An Olympic Games logo is seen in front of Beijing's National Stadium, nicknamed the Bird's Nest, Beijing, Jan. 20, 2022. As the 2022 Beijing Winter Olympic Games approach, temporary facilities, including athlete service system and rooms for television broadcasting, have been set up, covering an area of 41,000 square meters. (Photo: China News Service/Zhang Yu)

Photo shows the landscape in the central area of the Olympic Park in Beijing, Jan. 20, 2022. (Photo: China News Service/Zhang Yu)

Photo shows the security checkpoints in the central area of the Olympic Park, Beijing, Jan. 20, 2022. (Photo: China News Service/Zhang Yu)

Photo shows the landscape in the central area of the Olympic Park, Beijing, Jan. 20, 2022. (Photo: China News Service/Zhang Yu)

Photo shows the security checkpoints in the central area of the Olympic Park, Beijing, Jan. 20, 2022. (Photo: China News Service/Zhang Yu)

Volunteers decorate the volunteer center in the Olympic Park, Beijing, Jan. 20, 2022. (Photo: China News Service/Zhang Yu)