A walker has left a handprint on a snow- covered tree trunk on Grosser Feldberg mountain in the Taunus mountain range, Germany, 16 January 2017. (Photo by Frank Rumpenhorst/DPA)

These macro images by Alejandro Santillana are being showcased in the Insects Unlocked project at the University of Texas at Austin. Here: A female sweat bee. (Photo by Alejandro Santillana/Insects Unlocked/Cover Images)

Street musicians with their faces covered with animal masks play to earn some money in central Vienna, Austria, November 8, 2015. (Photo by Vasily Fedosenko/Reuters)

A couple watches the sunset over a sea of fog covering the Geneva Lake from Chardonne, Switzerland, 28 December 2015. (Photo by Jean-Christophe Bott/EPA)

A Bukusu youth stands covered in mud in preparation for a circumcision ritual in Kenya's western region of Bungoma August 9, 2014. Circumcision rituals, which take place in August, are celebrated amongst some Kenyan tribes as an annual rite of passage into adulthood. (Photo by Noor Khamis/Reuters)

Believers of the Legio Maria of African Church Mission covered in mud, attend a procession as part of their Christmas Mass near Ugunja, in Siaya County, Kenya on December 25, 2022. (Photo by Thomas Mukoya/Reuters)

A doll's face is covered with supportive messages for government-proposed reforms during the International Workers' Day march in Bogota, Colombia, May 1, 2024. (Photo by Fernando Vergara/AP Photo)

Floodwaters cover a Buddhastatue of at Wat Taku Buddhist temple in Bang Ban district in the central Thai province of Ayutthaya on November 14, 2025. (Photo by Lillian Suwanrumpha/AFP Photo)