A worker prepares for the reopening of a movie theater on Sunset Blvd. in Hollywood, Los Angeles County, California, the United States, March 15, 2021. Gyms, restaurants, movie theaters and museums in Los Angeles County are allowed to resume limited indoor operations on Monday after the most populous county in the country loosened restrictions against COVID-19. (Xinhua)

A staff member of Planet Fitness prepares for reopening to the public in Inglewood, Los Angeles County, California, the United States, March 15, 2021. Gyms, restaurants, movie theaters and museums in Los Angeles County are allowed to resume limited indoor operations on Monday after the most populous county in the country loosened restrictions against COVID-19. (Xinhua)

Staff members of Planet Fitness prepare for reopening to the public in Inglewood, Los Angeles County, California, the United States, March 15, 2021. Gyms, restaurants, movie theaters and museums in Los Angeles County are allowed to resume limited indoor operations on Monday after the most populous county in the country loosened restrictions against COVID-19. (Xinhua)

A staff member of Planet Fitness prepares for reopening to the public in Inglewood, Los Angeles County, California, the United States, March 15, 2021. Gyms, restaurants, movie theaters and museums in Los Angeles County are allowed to resume limited indoor operations on Monday after the most populous county in the country loosened restrictions against COVID-19. (Xinhua)