Carlos Melendez prepares to feed his pet squirrel “Colita” in downtown San Salvador January 29, 2015. (Photo by Jose Cabezas/Reuters)

Baka pygmies in their forest home preparing food in, Sangha Forest, Central African Republic, February 2016. Here, in their forest home, traditional life continues in the face of multiplying challenges ranging from poachers, to ill health. Deep in the rainforests of central Africa lives one of the world’s most mysterious tribes. (Photo by Susan Schulman/Barcroft Images)

Children feeding the birds in this Victorian Christmas greetings card. (Photo by Hulton Archive/Getty Images). Circa 1885

A Taliban fighter stands guard as a woman walks past in Kabul, Afghanistan, Monday, December 26, 2022. Recent Taliban rulings on Afghan women include bans on university education and working for NGOs, sparking protests in major cities. Security in the capital Kabul has intensified in recent days, with more checkpoints, armed vehicles, and Taliban special forces on the streets. Authorities have not given a reason for the tougher security. (Photo by Ebrahim Noroozi/AP Photo)

A woman carries a heart shaped balloon while sitting with her husband on a motorbike during Valentine's day, in Karachi on February 14, 2021. (Photo by Rizwan Tabassum/AFP Photo)

Migrant children run away from clashes with Mexican National Guards after their group crossed the Suchiate River on foot from Guatemala to Mexico, on the riverbank near Ciudad Hidalgo, Mexico, Monday, January 20, 2020. More than a thousand Central American migrants hoping to reach the United States marooned in Guatemala are walking en masse across a river leading to Mexico in an attempt to convince authorities there to allow them passage through the country. (Photo by Santiago Billy/AP Photo)

A Hindu devotee takes a holy bath on the banks of the Bagmati River on the occasion of Rishi Panchami at the end of the three-day long Teej Festival, in which Hindu women fast during the day and pray for the long lives for their husbands, in Kathmandu on September 1, 2022. (Photo by Prakash Mathema/AFP Photo)

Members of security forces secure Tahrir Square in Cairo, Egypt, November 11, 2016. Egypt imposed a big security clampdown in its cities on Friday as mass demonstrations called to protest against austerity measures failed to take place. Riot police and armored vehicles filled the otherwise empty streets of central Cairo, but most people stayed at home. (Photo by Mohamed Abd El Ghany/Reuters)