A man photographs the main engines of the space shuttle orbiter Discovery on display at the Udvar-Hazy Smithsonian National Air and Space Annex Museum in Chantilly, Virginia August 28, 2015. Shuttle Discovery had 27 years of service and flew 39 times before being retired in 2011. (Photo by Gary Cameron/Reuters)

Recording artists Demi Lovato (L) and Iggy Azalea perform on the Pepsi Stage, during the 2015 MTV Video Music Awards, at The Orpheum Theatre on August 30, 2015 in Los Angeles, California. (Photo by Frederick M. Brown/Getty Images for MTV)

Caesar McCool, a therapy llama nicknamed the “No Drama Llama” and his handler Larry McCool greet a driver in a McLaren at the site of ongoing protests against police violence and racial inequality, in Portland, Oregon, U.S., August 6, 2020. (Photo by Nathan Howard/Reuters)

A catholic faithful smeared in burnt oil, takes part in the opening of the ten-day celebration of the Santo Domingo de Guzman festival in Managua, on August 1, 2019. In Central America the black devil, or El Cadejo, is an evil dog-like spirit with glowing red eyes that locals believe eats new born puppies. (Photo by Inti Ocon/AFP Photo)

Festivalgoers watch two actors of the Wasteland Warriors movement fight in a cage at the world's largest heavy metal festival, the Wacken Open Air 2019, in Wacken, Germany on August 3, 2019. Wacken is a village in northern Germany with a population of 1,800 that has hosted the annual festival, which attracts heavy metal fans from around the world, since 1990. (Photo by Wolfgang Rattay/Reuters)

A family tries to cross a flooded road amid gushing water in Kolkata, India on August 17, 2019. Heavy rain continues for a second day in Kolkata, which contuinued to flood many streets all around the city. Authorities are working overtime to clear the roads. (Photo by Debarchan Chatterjee/Zuma Wire/Rex Features/Shutterstock)

A dog looks at a five-meter-long sperm whale stranded at San Bartolo beach, in Lima, on August 20, 2019. Surfers and policemen saved Tuesday an injured whale which remained stranded some hours at a beach in southern Lima, police informed. (Photo by Ernesto Benavides/AFP Photo)

Riders pray before competing at a rodeo event in Monte Negro, south of the Amazon basin, Rondonia state, Brazil on August 30, 2019. In recent years, Monte Negro has expanded as a key cattle town with a strong cowboy culture. (Photo by Carl De Souza/AFP Photo)