Artist C. K. Wilde creates intricate collage compositions using pieces of paper currency from all over the world. His collages have referenced subjects ranging from space exploration, to mythology, religion, slavery, ecology, the history of warfare, the history of money, and art history. Photo: “Great Crash”. (Photo by C. K. Wilde)

To mark World Water Day, on March 22nd Solidarités International and its agency BDDP Unlimited will roll out a campaign to build awareness of the scourge of undrinkable water.

Egyptian bootblacks cleaning a European's shoes in Cairo. (Photo by Hulton Archive/Getty Images). Circa 1870

A woman plays on a swing on the beach in Santa Monica, Calif., Wednesday, June 22, 2022. (Photo by Jae C. Hong/AP Photo)