“If a man insisted always on being serious, and never allowed himself a bit of fun and relaxation, he would go mad or become unstable without knowing it”. – Herodotus. “You can discover more about a person in an hour of play than in a year of conversation”. – Plato. Photo: Mandalay, Burma. (Photo by Steve McCurry)

The CBRE Urban Photographer of the Year competition – now in its ninth year – encourages professional and amateur photographers to capture cities at work. Here: Dog Walker – 15:00. The competition allows photographers to enter up to 24 images, one representing each hour of the day. (Photo by Johanna Siegmann)

Employees wear "No-Face" masks during working hours at a service company in Handan, Hebei Province of China. As a service company, staff must smile to customers every day. On “No-Face Day”, staff wore masks to hide their facial expressions and allow them to relax. No-Face is a character in the 2001 animated movie “Spirited Away”, a silent masked creature who has no facial expressions.

(L-R) Maria Silva, Milena Cortes, Maria Arteaga, Jackeline Bastidas and Gissy Abello pose for a picture at the Famproa dogs shelter where they work, in Los Teques, Venezuela, August 25, 2016. Venezuelans struggling to feed their families let alone their pets are dumping animals on the streets, in parks and at makeshift homes overrun with scrawny animals amid an economic crisis. An hour from Caracas in Los Teques, hundreds of dogs bark and run around the streets scavenging for food outside a makeshift shelter. (Photo by Carlos Garcia Rawlins/Reuters)

This is the stunning body of work by a talented painter – who transforms humans into amazing animals. From alligators to foxes and even owls, artist Shannon Holt, 39, paints every little detail on models to turn them into wildlife. The incredible paintings, which take anywhere between six to 12.5 hours to complete, are part of her Florida Wildlife Series. Shannon, from DeLand, Florida, previously worked on different surfaces such as glass, metals and wood. But the animal advocate decided to experiment with human canvasses and incorporate animals in her work. Here: Red Fox. (Photo by Ryder Gledhill/Shannon Holt/Caters News)

A demonstrator with face painted in the colours of the Palestinian flag protests outside the Israeli Embassy in west London July 26, 2014. Foreign ministers from the United States, Europe and the Middle East called on Saturday for an extension of the 12-hour ceasefire between Israel and Hamas in the Gaza Strip, French Foreign Minister Laurent Fabius said. (Photo by Luke MacGregor/Reuters)

Zhang Jinduo's wife tries on a self-made racing car on the outskirts of Shenyang, Liaoning province May 10, 2008. Zhang, the 53-year-old local farmer made the racing car with the help of his son who is a car mechanic. The car is equipped with a rear-mounted motorcycle engine and can achieve 60-80 km per hour, according to local media. (Photo by Reuters/Stringer)

“Magician David Blaine's latest stunt boasts lots of high-voltage snap, crackle and pop – but experts say he'll be safe from electrocution as long as he wears his chain-mail suit and metal headgear”. – NBC News. Photo: Blaine stands inside the apparatus, surrounded by a million volts of electric currents streamed by tesla coils. The stunt, sponsored by Intel, is the latest of daredevil endeavors by the magician whose previous stunts included being encased in ice for over 60 hours in Times Square, on October 5, 2012. (Photo by John Minchillo/Associated Press)