A woman takes part in a protest at Parliament Square, following the kidnap and murder of Sarah Everard, in London, Britain March 15, 2021. Everard, 33, was abducted as she walked home in south London on March 3 and a police officer has been charged with her kidnap and murder, provoking a national debate over how British society deals with male violence against women. (Photo by Henry Nicholls/Reuters)

A child plays with a mock submachine gun at a model Mass Transit Railway (MTR) station to mark the National Security Education Day at Hong Kong Police College in Hong Kong, China on April 15, 2021. The “education day” was organized to promote the sweeping legislation China imposed last year, marked with school activities, games and shows, and a parade by police and other services. (Photo by Tyrone Siu/Reuters)

Mary Pickford takes a picture of husband Douglas Fairbanks, Sr., who is executing a handstand on the roof of a building on December 19, 1920. (Photo by Bettmann Archive/Getty Images)

Shortlisted: Pooyan Shadpoor, Houcheraghi. While walking along the shore of Larak, Iran – an island in the Persian Gulf – Shadpoor came across this luminous scene. The “magical lights of (the) plankton ... enchanted me so that I snapped the shot”, he writes. (Photo by Pooyan Shadpoor/2016 EPOTY)

A boy poses with a butterfly on his face during a photocall to promote the “Sensational Butterflies” exhibition at the Natural History Museum in central London, on March 25, 2013. With around 400 live tropical butterflies and moths living in the temporary facility, visitors will get the chance to see them flying freely as well as looking for emerging butterflies at the hatchery window. Running from March 29 to September 15, 2013, the exhibition is housed in a structure in the museum grounds. (Photo by Leon Neal/AFP Photo)

This composite image shows a sequence, from bottom left to top left, of the moon's transition during a total lunar eclipse on April 15, 2014 in Miami, Florida. People in most of north and south America should be able to witness this year's first total lunar eclipse, which will cause a “blood moon” and is the first of four in a rare Tetrad of eclipses over the next two years. (Photo by Joe Raedle/Getty Images)

Foreign tourists join the annual Songkran Festival celebration, the Thai traditional New Year, also known as the water festival in Silom district of Bangkok, Thailand, 13 April 2014. The three-day Songkran Festival runs from 13 to 15 April and is celebrated with splashing water and putting powder on each others faces as a symbolic sign of cleansing and washing away the sins from the old year. (Photo by Narong Sangnak/EPA)

Rescue operations are undergoing to recover the sunken ferry MV Miraj 4 in the Megna River near Munshiganj, Bangladesh, 16 May 2014. The death toll in the Bangladesh ferry disaster rose to 26 on 16 May, including children and women and many more feared dead as the ferry, carrying more than 200 passengers on board, sunk during a storm on 15 may 2014, police authorities said. (Photo by Abir Abdullah/EPA)