Two sheep fight in a competition in Zhangjiakou, Hebei province, China on August 1, 2017. (Photo by Reuters/China Stringer Network)

Miley Cyrus performs at the Radio 1 Big Weekend at Stewart Park on May 25, 2019 in Middlesbrough, England. (Photo by Jo Hale/Redferns)

Jakub Przygonski at the stage 1 of Dakar Rally, Pisco, Peru on January 7, 2019. (Photo by Kin Marcin/Red Bull Content Pool)

The CBRE Urban Photographer of the Year competition – now in its ninth year – encourages professional and amateur photographers to capture cities at work. Here: Dog Walker – 15:00. The competition allows photographers to enter up to 24 images, one representing each hour of the day. (Photo by Johanna Siegmann)

A demonstrator is detained during May Day rallies in Santiago May 1, 2013. (Photo by Ivan Alvarado/Reuters)

People view the sunrise scene at the Bund in Shanghai, east China, January 1, 2017. (Photo by Wang Hechun/Xinhua/Barcroft Images)

A car mechanic repairs a tire hoop at the Nicolini Collection Car Museum in Lima, Peru June 1, 2017. (Photo by Guadalupe Pardo/Reuters)

A boy sleeps in a hammock while his mother works at a brick kiln on the outskirts of Yangon February 1, 2015. (Photo by Soe Zeya Tun/Reuters)