A girl floats in a bucket in the village of Ologa in the western state of Zulia October 23, 2014. This year the Catatumbo Lightning was approved for inclusion in the 2015 edition of Guinness World Records, dethroning the Congolese town of Kifuka as the place with the world's most lightning bolts per square kilometer each year at 250. Scientists think the Catatumbo, named for a river that runs into the lake, is normal lightning that just happens to occur far more than anywhere else, due to local topography and wind patterns. (Photo by Jorge Silva/Reuters)

A girl presents the new Oktoberfest beer festival mug in a Oktoberfest tent in Munich, southern Germany, on August 21, 2014. The world famous beer festival Oktoberfest will takes place from September 20 to October 5, 2014. (Photo by Christof Stache/AFP Photo)

People dressed in Samurai costume and helmet march during the annual Himeji Castle Festival on August 3, 2013 in Himeji, Japan. The parade of Castle Queens is part of the traditional matsuri festival around the UNESCO world heritage Himeji Castle. (Photo by Buddhika Weerasinghe)

Ingots of 99.99 percent pure silver are cast at the Krastsvetmet Krasnoyarsk non-ferrous metals plant in the Siberian city of Krasnoyarsk, Russia, June 5, 2015. Krastsvetmet is one of the world's largest players in the precious metals industry. REUTERS/Ilya Naymushin

Athletes in action during the international parachuting competition Mountain Gravity in Quinto, Switzerland, 27 August 2015. Some 200 participants from all over the world are expected to jump at the event running from 22 to 30 August 2015. (Photo by Samuel Golay/EPA)

Astrid Perez (L) and Ramon Camacho lay on the Playa during the Burning Man 2015 “Carnival of Mirrors” arts and music festival in the Black Rock Desert of Nevada, September 6, 2015. Sunday marks the last day of the sold-out festival that gathered approximately 70,000 people from all over the world. (Photo by Jim Urquhart/Reuters)

A boy moves away as a United Nations World Food Programme (WFP) helicopter lands in Rubkuai village, Unity State, northern South Sudan, February 18, 2017. South Sudan on Monday declared famine in some parts of the country, with more than three years of war leaving nearly five million hungry in what aid groups called a “man-made” tragedy. (Photo by Siegfried Modola/Reuters)