Smoke billows from Jinnah International Airport in Karachi, Pakistan, June 9, 2014. (Photo by Athar Hussain/Reuters)

Participants wearing masks during a hazy day at the Beijing International Marathon in front of Tiananmen Square, in Beijing, October 19, 2014. (Photo by Reuters/Stringer)

Clowns pose for a picture during the International Clown Day in Guadalajara, Mexico, on December 10, 2019. (Photo by Ulises Ruiz/AFP Photo)

Children ride on the back of a truck at a camp for internally displaced people (IDPs) in Marib, Yemen on September 9, 2021. (Photo by Ali Owidha/Reuters)

A stray cat is checked on the eve of International Cat Day in Banda Aceh on August 7, 2023. (Photo by Chaideer Mahyuddin/AFP Photo)

A theater company performs “Insectes” during Santiago a Mil International Theater Festival in Santiago, Chile on January 12, 2023. (Photo by Ivan Alvarado/Reuters)

Students participate in a yoga practice session ahead of International Yoga Day, at a school in Ahmedabad on June 17, 2022. (Photo by Sam Panthaky/AFP Photo)

An airplane passes the moon as it makes its approach to Philadelphia International Airport, Sunday, September 7, 2014, in Philadelphia. (Photo by Matt Rourke/AP Photo)