Sergio Valverde Espinoza, a Catholic priest of the Cristo Rey church who modified a popular song called “Sopa de Caracol”, or Snail Soup in English, gestures during a Mass in San Jose, Costa Rica, Sunday, May 2, 2021. Valverde changed the song's lyrics to a message calling for the use of face masks and care during the pandemic. (Photo by Carlos Gonzalez/AP Photo)
Visitors wear shirts with an image of former Chinese leader Mao Zedong at the Shanghai World Expo site in Shanghai, May 2, 2010. (Photo by Aly Song/Reuters)
Shanghai Ballet dancers wearing masks practise in a dance studio in Shanghai, China, as the country is hit by an outbreak of the novel coronavirus, February 20, 2020. (Photo by Aly Song/Reuters)