“The Challenge!” Young boy relishes in a game of tug of war before school. Photo location: Lake Titicaca, Peru. (Photo and caption by Paul Heyman/National Geographic Photo Contest)

A bride gets her make-up done before the start of a mass marriage ceremony in Kolkata, India, February 14, 2016. A total of 150 tribal Hindu, Muslim and Christian couples from various villages across the state took their wedding vows on Sunday during the day-long mass marriage ceremony organised by a social organisation, the organisers said. (Photo by Rupak De Chowdhuri/Reuters)

A instructor (2nd L) from the Philippine Mermaid Swimming Academy assists participants of a monofin swimming summer workshop as they practise floating in the water of a private pool in Paranaque city, metro Manila April 5, 2014. The Philippine Mermaid Swimming Academy workshops, which were originally conducted on the beaches of Boracay Island, central Philippines, currently cost 1,800 pesos per person ($40) for a two-hour session. (Photo by Romeo Ranoco/Reuters)

Three young women sprint for cover after getting caught but they were laughing with joy. Fun for some – not so much for others. Leaping over and into puddles. Torrential rain and lightning and thunder in North London Highgate on August 17, 2022. Storm drenched people out and created huge puddles for traffic People ran to escape. (Photo by Gavin Rodgers/Pixel8000)

A pair of macaques check themselves out in the rear view mirror of a motorbike in Chandigarh, India in the last decade of August 2024. (Photo by Anuj Jain/Media Drum Images)

Chinese honor guards prepare for the arrival of Palestinian President Mahmoud Abbas and China's President Xi Jinping at the Great Hall of the People in Beijing Wednesday, June 14, 2023. (Photo by Jade Gao/Pool Photo via AP Photo)

An Egyptian boy holds a camel at the Berqash camel market northeast of Cairo, on August 17, 2018. Muslims across the world are preparing for the Eid al-Adha holiday when custom requires the faithful to make a sacrifice. (Photo by Khaled Desouki/AFP Photo)

A young Sandinista guerrilla takes aim with his 45 pistol as he stands waiting to do combat with the Nicaraguan National Guard in Managua June 23, 1979. The guerrillas still occupy major parts of the Capitol City. (Photo by McLendon/AP Photo)