Winner. “This was taken in the South Ari Atolls, Maldives, as the south-west monsoon season was setting in. It features my partner – and dive buddy – Emma after surfacing at the end of the last dive of the day to find 1.5 metre swells and dark monsoon clouds. MICK RYAN, JUDGE: This beautiful portrait of a diver in an ocean swell below a menacing sky stands out this month for its emotional and elemental beauty. It is a reminder that while we may play among nature we are always dwarfed by its power and must be constantly on our guard”. (Photo by Simon Dunn/The Guardian)

“Senorita” – California-native fashion model Tiffany Keller heats up photographer Vladimir Marti’s lens for the April 2013 issue of Marie Claire Latin America. The dark-haired beauty poses in the city of San Miguel de Allende, Mexico, donning sultry styles from designer labels selected by fashion editor and stylist Gerard Angulo. (Photo by Vladimir Marti)

Fighters from Germany take up position before competing in the Medieval Combat World Championship at Malbork Castle, northern Poland, April 30, 2015. Medieval combat is a full contact sport that revives the foot based tournament fighting of medieval Europe. Countries fight in refereed matches where the objective is to get the opposing team to the floor. There are also duels with polearms, swords and shields where the number of hits landed are scored. The fighters, both male and female, wear heavy armours and weapons, mostly replicas of authentic pieces, and fight following the knights code of conduct. According to organizers, 25 nations from 6 continents are taking part in the Championships, which started on April 30 and will go on until May 3. (Photo by Kacper Pempel/Reuters)

These are the explosive images of some of the world's most ASH-stonishing volcanic eruptions. Spectacular snaps capture lava spewing down the side of Kilauea, ash spitting from craters and plumes of smoke rising thousands of feet in the air. Russian non-profit AirPano travel the globe taking the breath-taking panoramic images, compiled in this series displaying their most stunning volcanic shoots. Included in the set – which spans four continents – are images from across the United States, Iceland, Russia, Ethiopia and Indonesia. To capture the 360-degree images, AirPano photographers spend around two hours in a helicopter, sending out drones to capture the action below. Here: Volcano Plosky Tolbachik, Kamchatcka, Russia. (Photo by Airpano/Caters News)

Grand banqueting halls, opulent lobbies and vast ballrooms; you could easily be forgiven for thinking this was a collection of photographs was documenting some of Europe’s grandest hotels. However, a closer look will reveal the majestic rooms to be engulfed in swathes of dust and moss; hotels that once hosted royals and high society abandoned to the elements. This is the latest result of urban exploration photography, going beyond “no entry” signs to capture images of dilapidated buildings across Europe. IT worker Thomas Windisch, from Graz in Austria, indulged his passion for photography by traveling across the continent, visiting over 100 abandoned hotels along the way. Here: inside a hotel in Austria. (Photo by Thomas Windisch/Caters News)

A picture taken on October 5, 2018, shows a general view of Migingo island which is densely populated by residents fishing mainly for Nile perch in Lake Victoria, the continent's largest lake, on the border of Uganda and Kenya. More than 500 people live on the island, which is barely 2,000-square-metres. (Photo by Yasuyoshi Chiba/AFP Photo)

Stunning silhouettes under European cities reveal the size and splendor of the continent’s urban foundations. Photographer and content-manager Anna Arinova, 28, from Moscow, captured the awe-inspiring labyrinths in Russia and Germany. Here: Regenwurmlager, Poland. The Regenwurmlager is an extensive underground fortification area constructed by Germany in 1920s-1940s, now in western Poland, near the city of Międzyrzecz. (Photo by Anna Arinova/Caters News)