A participant takes part in a high heel race to protest in favor of gender equality in Monterrey, Mexico on May 12, 2019. (Photo by Daniel Becerril/Reuters)

The Eastern City Gate apartment buildings complex stands in the Konjarnik neighbourhood in Belgrade, Serbia, July 30, 2019. Brutalism, an architectural style popular in the 1950s and 1960s, based on crude, block-like forms cast from concrete was popular throughout the eastern bloc. (Photo by Marko Djurica/Reuters)

Nursing students attend a capping ceremony on May 10, 2021 in Jinan, Shandong Province of China. International Nurses Day is observed annually on May 12. (Photo by Zhang Yong/China News Service via Getty Images)

New Year's Eve revellers from Asia with Australian flags and balloons in the shape of the new year 2020 in Sydney, Australia on December 31, 2019. (Photo by Richard Milnes/Rex Features/Shutterstock)

A U.S. Navy F18 fighter jet takes off from aircraft carrier USS Carl Vinson during a FONOPS (Freedom of Navigation Operation Patrol) in South China Sea, March 3, 2017. The U.S. military took journalists Friday to the carrier on routine patrol off the disputed South China Sea, sending a signal to China and American allies of its resolve to ensure freedom of navigation and overflight in one of the world's security hotspots. (Photo by Erik De Castro/Reuters)

A picture released by the North Korean Central News Agency (KCNA) shows Kim Jong-un convening an urgent operation meeting at 0:30 am on March 29, 2013 at an undisclosed location, in which he ordered strategic rocket forces to be on standby to strike US and South Korean targets at any time. (Photo by KCNA via EPA)

A leopard seal feeds Paul Nicklen a penguin. (Photo by Paul Nicklen/National Geographic). Antarctic Peninsula, 2011

The faces of war have been brought back to life after a series of World War One photographs were expertly colourised. The black and white snaps were painstakingly restored and colourised by photographer Mario Unger (53) from Rotenturm, Austria. Here: One image shows an unidentified American soldier posing with a pistol, helmet, and Iron Cross medal taken from a German soldier, 1918. (Photo by Mario Unger/Mediadrumworld)