Two brown bears bathe in their enclosure at the Wildpark Poing in Poing, Germany, Wednesday, August 8, 2018. (Photo by Lino Mirgeler/Deutsche Presse-Agentur via AP Photo)

American singer Bleta “Bebe” Rexha poses with fans at the iHeartRadio MuchMusic Video Awards (MMVAs) in Toronto, Ontario, Canada on August 26, 2018. (Photo by Mark Blinch/Reuters)

Supermodel Bella Hadid (L) arrives at the Peppermint Club to watch her bestfriend, Jesse Jo Stark, perform her music in Los Angeles, CA on August 29, 2018. (Photo by Photographer Group/Splash News and Pictures)

Spanish rider Maikel Melero performs a jump during the Malaga Freestyle motocross show at the Malagueta bullring in Malaga, southern Spain, August 1, 2015. (Photo by Jon Nazca/Reuters)

A participant wrestles with a pig in the “greased pig contest” at the Festival du Cochon (Pig Festival) in Sainte-Perpetue, Quebec August 8, 2015. (Photo by Christinne Muschi/Reuters)

A man fires a weapon as he dances during a traditional excursion near the western Saudi city of Taif, August 8, 2015. Saudis usually party in such excursions as they celebrate weddings or graduations. (Photo by Mohamed Al Hwaity/Reuters)

Samburu tribesmen stand during the Maralal Camel Derby, Kenya, August 15, 2015. Maralal, a small, arid town about an eight-hour drive north of the Kenyan capital Nairobi, holds an annual camel festival, bringing together members of the Samburu, Turkana and Pokot semi-nomadic cattle-herding tribes. (Photo by Goran Tomasevic/Reuters)

Erica Bougard of the U.S. competes in the high jump event of the women's heptathlon during the 15th IAAF World Championships at the National Stadium in Beijing, China, August 22, 2015. (Photo by Fabrizio Bensch/Reuters)