Revellers celebrate “Ash Monday” by participating in a colourful “flour war”, a traditional festivity marking the end of the carnival season and the start of the 40-day Lent period until the Orthodox Easter,in the port town of Galaxidi, Greece, February 27, 2017. (Photo by Alkis Konstantinidis/Reuters)

A view of the spectacular colour of clouds at sunset on January 17, 2005 in Beijing, China. (Photo by China Photos/Getty Images)

Clouds float over an open field January 3, 2007 in Shirley Heights, Antigua. (Photo by Joe Raedle/Getty Images)

“Ashes and Snow by Canadian artist Gregory Colbert is an installation of photographic artworks, films, and a novel in letters that travels in the Nomadic Museum, a temporary structure built exclusively to house the exhibition. The work explores the shared poetic sensibilities of human beings and animals”. – Wikipedia. (Photo by Gregory Colbert)

Revellers celebrate “Ash Monday” by participating in a colourful “flour war”, a traditional festivity marking the end of the carnival season and the start of the 40-day Lent period until the Orthodox Easter, in Galaxidi, Greece February 19, 2018. (Photo by Alkis Konstantinidis/Reuters)

These stunning images have captured UFO type clouds forming around world famous volcano. The Kamchatka peninsula contains the volcanoes of Kamchatka, which have been captured in a series of stunning shots by photographer Vladimir Voychuk, 37, from Klin, Russia. It is said that Kamchatka is one of the most picturesque distant corners of huge Russia and attracts hundreds of photographers with its unique nature. Here: The stunning Kamchatka Peninsula, Russia. (Photo by Vladimir Voychuk/Caters News)

Photographer Khalid Alhammadi really has got his head in the clouds as he scales some of the Middle East’s tallest buildings to photograph iconic landmarks high above the rising mist. Khalid’s breathtaking shots over Abu Dhabi look almost otherworldly, with skyscraper tips and mosque towers poking through the eerie fog. Here: Night view of Abu Dhabi. (Photo by Khalid Alhammadi/Caters News Agency)