The car driven by Sebastien Bourdais, of France, impacts the wall bursts into flames in the second turn during qualifications for the Indianapolis 500 IndyCar auto race at Indianapolis Motor Speedway, Saturday, May 20, 2017 in Indianapolis. (Photo by Greg Huey/AP Photo)





Festival goers crowd surf at Rock On The Range Music Festival on Saturday, May 20, 2017, in Columbus, Ohio. (Photo by Amy Harris/Invision/AP Photo)





A worker arranges flowers around a structure at the RHS Chelsea Flower Show site at Royal Hospital Chelsea on May 21, 2017 in London, England. Preparations are underway for the opening of the prestigious RHS Chelsea Flower Show, which runs from the 23rd - 27th May. (Photo by Victoria Jones/PA Wire)





In this Saturday, May 20, 2017 photo provided by the Ventura Port District, a 40-foot long humpback whale swims around small boats in Ventura Harbor on the coast of Southern California. The humpback whale that made a big splash with boaters after wandering into the Southern California harbor was on the move again Sunday after finding its way back to the open ocean. (Photo by Ventura Port District via AP Photo)





Volunteers from the Civil Aid Service (CAS) wearing protective clothing take part in a chicken cull demonstration as part of an emergency response exercise in Hong Kong on May 21, 2017. Some 1000 CAS members took part in a two-day exercise to test their deployment and search and rescue capabilities during an emergency. (Photo by Dale De La Rey/AFP Photo)





Demonstrators clash with riot police during a protest against the government of President Nicolas Maduro in Caracas on May 20, 2017. Venezuelan protesters and supporters of embattled President Nicolas Maduro take to the streets Saturday as a deadly political crisis plays out in a divided country on the verge of paralysis. (Photo by Federico Parra/AFP Photo)





Opposition demonstrators set an alleged thief on fire during a protest against the government of President Nicolas Maduro in Caracas on May 20, 2017. According to the Venezuelan Interior and Justice Ministry the victim, Orlando Figuera, 21, who was set on fire accused of being a chavist or a thief, remains at hospital with first and second degree burns in 80% of his body and several stab wounds. (Photo by Carlos Becerra/AFP Photo)





A girl's face is covered by a white powder after blowing on it, while participating in a game during a religious festival honouring patron saint Santa Rita de Cascia in Paranaque city, Metro Manila, Philippines May 21, 2017. (Photo by Romeo Ranoco/Reuters)





Riot police take position during a police operation in a neighborhood known to locals as Cracolandia (Crackland), in downtown Sao Paulo, Brazil May 21, 2017. (Photo by Paulo Whitaker/Reuters)





US actress Elle Fanning poses during the photocall for “How to Talk to Girls at Parties” at the 70th annual Cannes Film Festival, in Cannes, France, 21 May 2017. The movie is presented out of competition at the festival which runs from 17 to 28 May. (Photo by Sebastien Nogier/EPA)





Children attend the official ceremony of tying red scarves around their necks, symbolizing their initiation into the Young Pioneer Youth communist group, created in the Soviet Union for children 10-14 years old, in Moscow' s Red square on May 21, 2017. Some three thousands pioneers took part in the ceremony. (Photo by Kirill Kudryavtsev/AFP Photo)





A man shoots a photo in front of the work “The Parthenon of Books” by Argentine's artist Marta Minujin, which is under construction, in preparation for the upcoming documenta 14 art exhibition in Kassel, Germany, Sunday, May 21, 2017. The installation shows books wrapped in plastic. documenta 14 in Kassel runs from June 10, 2017, and last until Sept. 17, 2017. (Photo by Jens Meyer/AP Photo)





Illuminated plant displays can be seen during a preview of Taronga Zoo's illuminated endangered animal sculptures which is part of Vivid Sydney festival of light and sound, which will begin on May 26 with many of Sydney's landmarks participating in the annual event, in Sydney, Australia May 21, 2017. (Photo by David Gray/Reuters)





Japan's Shiro Ken, right, lands a right on the face of Mexican champion Ganigan Lopez in the third round of their WBC light flyweight boxing world title match in Tokyo, Saturday, May 20, 2017. Ken won the title by a 2-0 decision. (Photo by Toru Takahashi/AP Photo)





Gold medalist, Russia's Arina Averina performs with her ball in Papp Laszlo Arena of Budapest on May 21, 2017 during the apparatus final day of 33rd European Rythmic Gymnastic Championships. (Photo by Attila Kisbenedek/AFP Photo)





French driver Sebastien Ogier and French co-driver Julien Ingrassia, steer their Ford Fiesta WRC in Fafe, northern Portugal, on May 21, 2017, during the SS16 stage of the Portuguese WCR rally. (Photo by Miguel Riopa/AFP Photo)





An Iraqi military vehicle passes displaced Iraqi boys returning to their homes in West Mosul's Oreibi neighbourhood after government forces retook control of the area from the Islamic State (IS) group during the ongoing offensive against the jihadists on May 21, 2017. (Photo by Ahmad Al-Rubaye/AFP Photo)