A girl jumps over a campfire while celebrating Ivan Kupala Night, a traditional Slavic holiday not far from Kiev on July 6, 2013. During the celebration, originating in pagan times, people plait wreaths, jump over fires, and swim naked. (Photo by Sergei Supinsky/AFP Photo)

A member of the Qinghai Acrobatic Troupe checks her hair with a smartphone during a media preview for the world premiere of cabaret show “Shanghai Mimi” as part of Sydney Festival in Chinatown, central Sydney, Australia, 08 January 2019. Sydney Festival 2019 runs from 09 to 27 January and will feature theatre, dance, circus, music, visual arts and talks from international and local artists. (Photo by Steven Saphore/EPA/EFE)

Cameron Shonnard backflips a jump at Squaw Valley in Olympic Valley, California, December 5, 2015. An El Nino is forecasted for California, and regular precipitation has been welcomed after years of drought. (Photo by Max Whittaker/Reuters)

A competitor wearing a kilt and standing on a barrel throws a bowling ball between her legs during the “Brigaball” contest at the annual Bundanoon Highland Gathering, showcasing traditional Scottish events, held in the town of Bundanoon, located southwest of Sydney, April 9, 2016. (Photo by David Gray/Reuters)

Handout picture released by Telam showing the tarmac of the Pedro Palacios Avenue in Ramos Mejia, province of Buenos Aires, Argentina, under which the channeled waters of the Maldonado stream flow, after it collapsed on April 8, 2014 leaving a 40-metre-long, 1.4-metre-deep hole. About 3000 people had to be evacuated in the Argentine provinces of Neuquen (soutwest), Catamarca (northwest), Santiago del estero (center) and Cordoba (center)due to the foods caused by heavy rain, official sources said. (Photo by Daniel Dabove/AFP Photo)

The Mercedes-Benz F015 Luxury in Motion autonomous concept car is shown on stage during the 2015 International Consumer Electronics Show (CES) in Las Vegas, Nevada January 5, 2015. (Photo by Steve Marcus/Reuters)

Brush and trees are engulfed in flames after firefighters set a backburn along Highway 191 in an attempt to control a raging wildfire on June 10, 2011 in Nutrioso, Arizona. The fire, which is five percent contained, has so far consumed over 400,000 acres of land and destroyed 29 homes. (Photo by Kevork Djansezian/Getty Images)