A roadside ice-cream vendor waits for customers at a market in New Delhi, India, April 7, 2016. The Indian economy is characterized by the existence of a vast majority of informal or unorganized labor employment. (Photo by Altaf Qadri/AP Photo)

A Saudi trader wears a mask as he monitors stock information at the Saudi stock market in Riyadh, Saudi Arabia on August 25, 2020. (Photo by Ahmed Yosri/Reuters)

Filipino informal settlers react during a demolition raid at a shanty town in Pasay City, Metro Manila, Philippines, 01 August 2024. (Photo by Francis R. Malasig/EPA)

Santa Claus rides in his sleigh as he prepares for Christmas in the Arctic Circle near Rovaniemi, Finland December 15, 2016. At Santa Claus' Lapland home in Finland, his helpers sort out piles of letters from around the world, each detailing children's requests for this Christmas. (Photo by Pawel Kopczynski/Reuters)

A group of tattooed women from the Muun tribe who inhabit the hills of the Arakan state. The design, known as the letter B-pattern, is common in the Mindat area. It is composed of dots, lines and occasionally circles, in February, 2015, in Myanmar, Burma. With spider webs, B-patterns and crossed lines painstakingly inked on their faces these stunning photographs show the tattooed women of Burma. French photographer Eric Lafforgue travelled to the Chin, Rakhine and Arakan states of northwestern Myanmar to capture the rare facial designs. (Photo by Eric Lafforgue/Barcroft Media)

Have you ever heard of a psychological phenomenon which lets us easily understand words, even if the order of letters is mixed up, as long as the first and last letters remain in their rightful place? Similarly, the art works of Michael Turner use only two colors to highlight the main futures of well-recognized superheroes, allowing our imagination to create the rest of the picture. The colors used in the pictures weren’t chosen at random. They perfectly reflect the key characteristics of the superheroes that they depict. For example, the picture of Flash uses red and yellow colors, which are exactly the colors of his costume. While the picture of Green Lantern is, you’ve guessed it, green and black. (Photo by Michael Turner)

Palestinian barber Ramadan Odwan styles and straightens the hair of a customer with fire at his salon in Rafah, in the southern Gaza Strip February 2, 2017. In Ramadan Odwan's barbershop in Gaza, hair isn't just blow-dried, it's blowtorch-dried. “People have gone crazy about it, many people are curious to go through the experience and they are not afraid”, he told Reuters. “People here love adventures”. (Photo by Ibraheem Abu Mustafa/Reuters)

Meerkats are weighed and measured during the ZSL London Zoo 's annual weigh-in on August 22, 2012 in London, England. The height and mass of every animal in the zoo, of which there are over 16,000, needs to be recorded. The measurements are collated in the Zoological Information Management System, from which zoologists can use the data to compare information on thousands of endangered species. (Photo by Oli Scarff)