In this Saturday, July 28, 2018, NF-5 fighter jets of the Turkish Stars, Turkey's national aerobatics team, fly at the Bucharest International Air Show, or BIAS 2018, in Bucharest, Romania. Thousands of Romanians took to an airfield on the edge of the capital Bucharest for a weekend of aerobatics and air power display by more than 200 pilots and 150 aircraft from several countries.(Photo by Vadim Ghirda/AP Photo)





This photo provided on Monday, August 2, 2018, by the al-Qaida-affiliated Ibaa News Network, shows a tank of the al-Qaida-linked coalition known as Hay'at Tahrir al-Sham, Hay'at Tahrir al-Sham, Arabic for Levant Liberation Committee, firing at Syrian troops and pro-government gunmen in rural Aleppo, Syria. It's already being called the "mother of all battles," the last showdown between the forces of Syrian President Bashar Assad and the opposition. Idlib province, in Syria's northwest, is the only significant opposition enclave still standing and Assad has vowed to retake it. The caption in Arabic reads: “Hay'at Tahrir al-Sham targets groups of the criminal government faces in Castello area with tank shells”. (Photo by Ibaa News Network via AP Photo)





A 747 Global Airtanker makes a drop in front of advancing flames from a wildfire Thursday, August 2, 2018, in Lakeport, Calif. (Photo by Kent Porter/The Press Democrat via AP Photo)





In this photo released by China's Xinhua News Agency, security personnel surround Venezuela's President Nicolas Maduro during an incident as he was giving a speech in Caracas, Venezuela, Saturday, August 4, 2018. Drones armed with explosives detonated near Venezuelan President Nicolas Maduro as he gave a speech to hundreds of soldiers in Caracas on Saturday but the socialist leader was unharmed, according to the government. (Photo by Xinhua News Agency via AP Photo)





In this photo released by China's Xinhua News Agency, an uniformed official bleeds from the head following an incident during a speech by Venezuela's President Nicolas Maduro in Caracas, Venezuela, Saturday, August 4, 2018. Drones armed with explosives detonated near Venezuelan President Nicolas Maduro as he gave a speech to hundreds of soldiers in Caracas on Saturday but the socialist leader was unharmed, according to the government. (Photo by Xinhua News Agency via AP Photo)





In this photo released by China's Xinhua News Agency, security personnel surround Venezuela's President Nicolas Maduro during an incident as he was giving a speech in Caracas, Venezuela, Saturday, August 4, 2018. Drones armed with explosives detonated near Venezuelan President Nicolas Maduro as he gave a speech to hundreds of soldiers in Caracas on Saturday but the socialist leader was unharmed, according to the government. (Photo by Xinhua News Agency via AP Photo)





Supporters of President Emmerson Mnangagwa's ruling ZANU-PF party celebrate his election victory in Harare, Zimbabwe, August 3, 2018. (Photo by Philimon Bulawayo/Reuters)





A supporter of Zimbabwe's President Emmerson Mnangagwa celebrates in Harare, Friday, August 3, 2018. Mnangagwa won an election Friday with just over 50 percent of the ballots as the ruling party maintained control of the government in the first vote since the fall of longtime leader Robert Mugabe. (Photo by Tsvangirayi Mukwazhi/AP Photo)





Tear gas canisters are fired by Israeli troops towards Palestinian demonstrators as they run during a protest demanding the right to return to their homeland at the Israel-Gaza border, in the southern Gaza Strip August 3, 2018. (Photo by Ibraheem Abu Mustafa/Reuters)





A wheelchair-bound Palestinian man is pushed during clashes between Palestinians and Israeli troops in Hebron in the occupied West Bank, August 3, 2018. (Photo by Mussa Qawasma/Reuters)





Brazil goalkeeper Leticia (22) makes a save against the United States of America in the second half during the Tournament of Nations Women's Soccer match at Toyota Park in Bridgeville, IL, USA on August 2, 2018. (Photo by Mike DiNovo/USA TODAY Sports)





A Hong Kong player is hit by the ball during women's competition against Slovenia in the Dodgeball World Cup, Saturday, Aug. 4, 2018, in New York. (Photo by Mary Altaffer/AP Photo)





An Austria player, right, is hit by the ball during women's competition against Malaysia in the Dodgeball World Cup, Saturday, Aug. 4, 2018, in New York. (Photo by Mary Altaffer/AP Photo)





The restored Bluebird K7, which crashed killing Donald Campbell in 1967, takes to the water for the first time in more than 50 years off the Isle of Bute on the west coast of Scotland on August 4, 2018. K7 was the first successful jet-powered hydroplane, and was considered revolutionary when launched in January 1955. Campbell and K7 were responsible for adding almost 100 miles per hour (160 km/h) to the WSR, taking it from existing mark of 178 miles per hour (286 km/h) to just over 276 miles per hour (444 km/h). (Photo by David Cheskin/PA Images via Getty Images)





A parade goer during Brighton Pride 2018 on August 4, 2018 in Brighton, England. (Photo by Tristan Fewings/Getty Images)





Drag Queens Crystal Couture (l) and Domini (r) pose for a photo with British Airways Ambassadors on the beach to mark the start of Brighton Pride, which is being partnered by British Airways on August 4, 2018 in Brighton, England. (Photo by Tim P. Whitby/Getty Images for British Airways)





A demonstrator is detained by police during the LGBT (lesbian, gay, bisexual, and transgender) community rally in central St. Petersburg, Russia on August 4, 2018. (Photo by Sergey Konkov/Reuters)





Barber Gabriel Heredia, who was born with no forearms or hands, cuts a customer's hair at his shop in Buenos Aires, Argentina, August 3, 2018. (Photo by Marcos Brindicci/Reuters)





Barber Gabriel Heredia, who was born with no forearms or hands, uses his cell phone to take a photo of a customer's at his shop in Buenos Aires, Argentina, August 3, 2018. (Photo by Marcos Brindicci/Reuters)





Barber Gabriel Heredia, who was born with no forearms or hands, cuts a customer's hair at his shop in Buenos Aires, Argentina, August 3, 2018. (Photo by Marcos Brindicci/Reuters)





A competitor jumps into the water during a cliff diving competition near the central Bohemian village of Hrimezdice, Czech Republic, August 3, 2018. (Photo by David W. Cerny/Reuters)





People enjoy the sea at Biarritz beach, southwestern France, southwestern France, Friday, Aug.3, 2018. The hot weather is expected to last for several days across the country. (Photo by Bob Edme/AP Photo)





A girl playing with water in a ground fountain in central Moscow, Russia on August 3, 2018. (Photo by Sergei Fadeichev/TASS via Getty Images)





Spectators on their inflatable mattresses watch as competitor jumps into water during a cliff diving competition near the village of Hrimezdice, Czech Republic, Friday, August 3, 2018. (Photo by Petr David Josek/AP Photo)





A child cools off in a fountain as a summer heatwave with high temperatures continues in Paris, France, August 3, 2018. (Photo by Regis Duvignau/Reuters)





A girl cools herself running through a fountain at a park in Moscow, Russia, Friday, Aug. 3, 2018. The hot weather in Moscow is continuing, with temperatures forecast to reach 30 degrees Celsius (86 Fahrenheit). (Photo by Alexander Zemlianichenko/AP Photo)





Two women jump from a platform over the water at La Concha beach during a hot summer day in the basque city of San Sebastian, northern Spain, Friday, August 3, 2018. Hot air from Africa is bringing a heat wave to Europe, prompting health warnings about Sahara Desert dust and exceptionally high temperatures that could peak at 47 degrees Celsius (117 Fahrenheit) in Spain and Portugal. (Photo by Alvaro Barrientos/AP Photo)





Children enjoy snow during a hot and sunny day in Best, The Netherlands, on August 3, 2018. A local juice maker gives coolness with snow cannons during the heat wave. (Photo by Jerry Lampen/EPA/EFE/Rex Features/Shutterstock)