A New York window cleaner strapped to the side of The RCA Building in the Rockefeller Center, with St Patrick's Cathedral below him to the left. (Photo by William Lovelace/Express/Getty Images). 2nd May 1961

Alain Robert, known as the French “Spiderman” climbs the “First” tower, the highest building in France on May 10, 2012 in Paris La Defense, Hauts de Seine, France. (Foto by DPA/AP Photo/Michel Euler)

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.

Tytus Brzozowski is a Polish architect and watercolorist who is inspired by the dynamics, color, design, and history of Warsaw. He creates watercolor paintings that often combine detailed architectural images with whimsical and imaginary scenes, such as pianos suspended by hot air balloons and buildings shaped like teapots

Artist Sergio Albiac has launched an experiment in generative portraiture that uses images taken by the Hubble Space Telescope to build up images of people

A woman waits to hear about her sister, a teacher, following a shooting at the Sandy Hook Elementary School in Newtown, Connecticut. A man killed his mother at their home and then opened fire inside the elementary school where she taught, massacring 26 people, including 20 children, as youngsters cowered in fear to the sound of gunshots reverberating through the building and screams echoing over the intercom. (Photo by Jessica Hill/Associated Press)

A woman shouts asking for help during an eviction in Rio de Janeiro, Brazil, Friday, April 11, 2014. Squatters in Rio de Janeiro are clashing with police after a Brazilian court ordered that 5,000 people be evicted from abandoned buildings of a telecommunications company. Officers have used tear gas and stun grenades to try to disperse the families. (Photo by Silvia Izquierdo/AP Photo)