“A dirty thunderstorm (also, Volcanic lightning) is a weather phenomenon that occurs when lightning is produced in a volcanic plume. Dirty thunderstorms have been reported in Chile above the Chaiten Volcano, above Alaska's Mount Augustine volcano, and Iceland's Eyjafjallajökull volcano”.

Photo: A cloud of ash pours from Puyehue volcano in southern Chile, at sunset on June 5, 2011. (Claudio Santana/AFP)

The “Naked Cowboy” plays his guitar in Times Square on March 23, 2012 in New York City. A recent study found that the Times Square district contributes up to 10% of all jobs in the city and is responsible for approximately 11% of economic activity. (Photo by Andrew Burton/Getty Images)

A dog catches a wave during the Surf City Surf Dog Contest in Huntington Beach, California September 27, 2015. (Photo by Lucy Nicholson/Reuters)

Kazakh nomads have been grazing their livestock in Mongolia for hundreds of years. Fascinated by the bond between hunter and eagle, photographer Palani Mohan has spent the last few years documenting the burkitshi. Mohan's photos of the landscape, isolation of the hunt, and most of all the trusting relationship between man and bird, convey the importance that the eagle plays in their lives. (Photo by Palani Mohan)

People work with cocoa beans in Enchi June 17, 2014. Picture taken June 17, 2014. Ghana emerged as a success story during the 2000s, when war, political instability and a disastrous liberalization brought Ivory Coast's cocoa sector to its knees. Ghana's output more than tripled from 340,000 tons in the 2001/02 season to a record 1,025,000 tons a decade later. Strict controls cemented its reputation as a producer of top quality beans, establishing a brand that fetches a premium. (Photo by Thierry Gouegnon/Reuters)

A shorn alpaca walks in a grass field at Alpaca-Land farm in Unken in the Austrian province of Salzburg, Sunday July, 6, 2014. The annual shearing makes the animals more comfortable for the summer months. (Photo by Kerstin Joensson/AP Photo)

Nic Lamb rides a wave during the third heat of the first round of the Mavericks Invitational big wave surf contest Friday, January 24, 2014, in Half Moon Bay, Calif. (Photo by Eric Risberg/AP Photo)

Carlos Martinez (L), a representative of the Guinness World Records, examines the cooking process of a chocolate coin during an attempt to break the Guinness World Record for the biggest chocolate coin in Caracas, Venezuela, October 1, 2015. More than 80 people will work with 100% Venezuelan cacao to create the coin that is estimated to weigh 1,000 kg, according to local media. (Photo by Carlos Garcia Rawlins/Reuters)