These spectacular pictures show the incredible moment a rare natural phenomenon happens in the night sky. Red sprite lightning lasts only a millisecond and takes place high above a tunderstorm cloud.The breathtaking flashes of light are caused by huge electrical discharges of lightning in the sky. Marko Korosec, 32, was lucky enough to catch these sprites on camera after months of trying. Mr Korosec, from Sezana in Slovenia, took the shots whilst he was following storms in Vivaro, Italy. (Photo by Marko Korosec/Solent News/SIPA Press)

Some 1,250 students from the Assumption College flip their cards to form an image of Thailand's late King Bhumibol Adulyadej, in his honour, in Bangkok, Thailand, October 28, 2016. (Photo by Athit Perawongmetha/Reuters)

Gus Palmer (Kiowa, at left), side gunner, and Horace Poolaw (Kiowa), aerial photographer, in front of a B-17 Flying Fortress. MacDill Field, Tampa, Florida, ca. 1944. (Photo and caption by 2014 Estate of Horace Poolaw)

Yawalapiti children play during the preparations for the celebration of “quarup”, a ritual held to honor in death a person of great importance to them, in the Xingu National Park, Mato Grosso State, May 7, 2012. (Photo by Ueslei Marcelino/Reuters)

A man poses as “Lemongrab” from Adventure Time outside the MCM Comic Con at the Excel Centre in East London, October 25, 2014. (Photo by Andrew Winning/Reuters)

You don't often see a man walking around a field of cows wearing a pink tutu. Needless to say, we were intrigued by Bob Carey and the shirtless photos of him gallivanting around in a costume often worn by little girls. We sensed there was a good story behind this alter-ego ballerina, but we didn't expect it would be this heartwarming.

'The Dutch charity organization Mensen in Nood (people in need) hits the streets with a remarkable campaign. People in need are posing with the typical attributes of consumer culture. The price of a designer handbag (€32) is compared with the price of a whole week of food (€4), The price a pint of beer (€4.50) with the price of 50 liter clean water (€1.50). The pictures were taken by Swedish fashion photographer Carl Stolz.' - Occupy Design UK

Alphajet aircraft draw a heart-shaped message in the sky during the 2010 presentation show of the French aerobatics team Patrouille de France, over the French city of Salon-de-Provence. (Photo by Gerard Julien/AFP Photo)