Aymara indigenous people celebrate the “Roscasiri”, the change of command of local authorities, in Pomata District, one of seven districts of the Chucuito Province in the Puno Region, southern Peru, on January 1, 2022. This ancient Aymara event, in which people adorn themselves with breads and fruits that represent abundance for the new year, celebrates the change of command of local authorities. (Photo by Carlos Mamani/AFP Photo)

A student protester throws a stone against a riot police vehicle during a demonstration to demand changes in the education system in Santiago, Chile, April 21, 2016. (Photo by Ivan Alvarado/Reuters)

A woman along with her children carry hay to feed cattle in Sanjar Chang village, Mirpurkhas district in Sindh province on April 9, 2023. (Photo by Asif Hassan/AFP Photo)

Look at the image for long enough and you can make the train change direction simply by thinking about it. Freaky.

Climate change activists dressed up as black birds protest in St. Ives, on the sidelines of the G7 summit in Cornwall, Britain, June 11, 2021. (Photo by Dylan Martinez/Reuters)

The Invasion. A quiet street in Macau. Modernization around is quickly changing the city, as documented by Paul Tsui. (Photo by Paul Tsui/National Geographic Travel Photographer of the Year Contest)

A robin perches on a spade handle in a garden on a rainy day in Lixwm, north Wales. Researchers said this week that when European robins are subjected to human-produced noise, their behaviour changes. (Photo by DGDImages/Alamy Live News)

Giant panda Meng Meng plays on a tree at a Siberian tiger-breeding base in Changchun, China on December 10, 2015. (Photo by Xu Chang/Xinhua Press/Corbis)