Salvadoran indigenous participate in the International Day of the Indigenous Peoples at Divino Slavador square in San Salvador, El Salvador, 09 August 2016. (Photo by Oscar Rivera/EPA)

Hindu women apply “sindhur”, or vermillion powder, on the face of a woman after worshipping the idol of the Hindu goddess Durga on the last day of the Durga Puja festival in Chandigarh, India October 11, 2016. (Photo by Ajay Verma/Reuters)

Pakistan girls make selfies holding a Pakistan-made weapon displayed at the four-day International Defence Exhibition and Seminar (IDEAS) 2016 in Karachi, Pakistan, Wednesday, November 23, 2016. (Photo by Shakil Adil/AP Photo)

A zoo worker feeds milk to tiger cubs born on the first day of the Lunar New Year and Year of the Rooster at Sriracha Tiger Zoo in Chonburi province, Thailand, January 30, 2017. (Photo by Athit Perawongmetha/Reuters)

20-year-old women visit the the Meiji shrine in Tokyo, Japan to celebrate Japan's Coming of Age Day on January 6, 2017. (Photo by Aflo/Rex Features/Shutterstock)

Women tear the shirt off a man during “Huranga”, a game played between men and women a day after Holi, at Dauji temple near Mathura, March 14, 2017. (Photo by Adnan Abidi/Reuters)

An attendee dressed as Junkrat from the game Overwatch poses for a picture during opening day of pop culture convention Comic Con International in San Diego, USA on Thursday, July 19, 2018. (Photo by Mike Blake/Reuters)

Londoners enjoying the magnificent sight of sun setting perfectly in the middle of London Eye as seen from Greenwich Park in London, England on the warmest day of the year on April 19, 2018. (Photo by London Viewpoints/Rex Features/Shutterstock)