Hong Kong police fire tear gas at protesters in Sai Wan, Hong Kong on Sunday, July 28, 2019. Police fired tear gas at protesters in Hong Kong on Sunday for the second night in a row in another escalation of weeks-long pro-democracy protests in the semi-autonomous Chinese territory. (Photo by Jeff Cheng/HK01 via AP Photo)





A police officer detains a demonstrator during a protest against police violence during previous marches, near China's Liaison Office, Hong Kong, China on July 28, 2019. (Photo by Tyrone Siu/Reuters)





A demonstrator runs away from the riot police during a protest against police violence during previous marches, near China's Liaison Office, Hong Kong, China on July 28, 2019. (Photo by Edgar Su/Reuters)





Riot police fire tear gas to disperse protesters taking part in a rally against the police brutality in Hong Kong, China, 28 July 2019. Hong Kong has a new mass rally with demonstrators protesting against the police brutality on 27 July in Yuen Long, another mass protest was held and ended up with clashes between protesters and the police when riot police fired rubber bullets, tear gas and pepper spray to disperse the crowd. (Photo by Jerome Favre/EPA/EFE)





A man takes a quiet moment before the start of a march to protest against police violence during previous demonstrations, at Chater Garden, in central Hong Kong, China on July 28, 2019. (Photo by Edgar Su/Reuters)





A woman reacts during the funeral of Tunisian President Beji Caid Essebsi in Tunis, Tunisia on July 27, 2019. (Photo by Zoubeir Souissi/Reuters)





A female civil defense member attends search and rescue works after Assad Regime warplanes carried out airstrikes on the town of Arihah in Idlib province, Syria on July 28, 2019. At least six civilians were killed and 18 others injured in regime attacks in de-escalation zone in northwestern Syria. (Photo by Muhammed Said/Anadolu Agency via Getty Images)





Russia's President Vladimir Putin (R) and Admiral Nikolai Yevmenov, Commander-in-Chief of the Russian Navy, inspecting vessels taking part in a military parade in the Kronstadt roadstead on Russian Navy Day, on the Raptor boat in Kronshtadt, Russia on July 28, 2019. (Photo by Alexei Nikolsky/Russian Presidential Press and Information Office/TASS)





An injured protester is taken away by Moscow riot police on July 27, 2019. Police in Moscow detained more than 1,300 people in a day of protests against alleged irregularities in the run-up to local elections. The United States, the European Union, and human rights groups denounced what they called the "disproportionate” and “indiscriminate” use of force against the demonstrators. (Photo by Anton Sergienko/Radio Free Europe/Radio Liberty)





A Romanian military medic, backdropped by Romania's flag, attends a graduation ceremony in Bucharest, Romania, Friday, July 26, 2019. Students of Romania's Military Medical Institute celebrated after receiving their first military rank. (Photo by Andreea Alexandru/AP Photo)





Rosie Smith waits for the second heat quayside with her boat HMS Beaky during the Bideford Cardboard Boat Regatta on July 28, 2019 in Bideford, England. (Photo by Michael Steele/Getty Images)





Hindu pilgrims trek on horses up to the glacier at Chandanwari, some 115 km southeast of Srinagar, during the annual Hindu pilgrimage on July 27, 2019 to the holy cave shrine of Amarnath. Every year, hundreds of thousands of pilgrims trek through treacherous mountains in revolt-torn Kashmir, along icy streams, glacier-fed lakes and frozen passes, to reach the Amarnath cave, located at an altitude of 3880 m (12,729 feet), where a Shiva Lingam, an ice stalagmite shaped like a phallus and symbolising the Hindu God Shiva, stands for worship. (Photo by Tauseef Mustafa/AFP Photo)





A paddle boarder surfs a wave with Peru's navy flagship “Union” on the background at La Pampilla beach in Costa Verde bay, in Lima, on July 27, 2019. It was the ancient inhabitants of Peru the first to ride waves, surf instructor Elias Panta tells AFP. They did it in narrow reed-made vessels known as “caballitos de totora” (little reed horses). On July 29, 2019, surfing makes it debut as a Pan-American sport in the Lima 2019 Games currently being held in Peru. (Photo by Ernesto Benavides/AFP Photo)





A “caixer” (horse rider) rears up on his horse surrounded by a cheering crowd during the traditional “Jaleo” at the Sant Antoni Festival in Es Castell, Balearic Islands, Spain on July 27, 2019. (Photo by Matthias Oesterle/Zuma Press/Picturedesk.com)





The Black Blues Brothers, five Kenyan acrobats, perform at the Edinburgh festival fringe in Edinburgh, Scotland on July 28, 2019. (Photo by Jane Barlow/PA Wire Press Association)





A person dressed as a Pennywise from the movie IT walks through the London Film and Comic Con event at Olympia in London, Britain, July 27, 2019. (Photo by Peter Nicholls/Reuters)