Russian Navy's Slava-class guided missile cruiser Varyag, the flagship of the Russian Pacific Fleet, is docked at Kai Tak Cruise Terminal for an unofficial five-day visit to Hong Kong, Monday, June 5, 2017. This is the first time for a Russian navy fleet to dock in the Chinese city. (Photo by Vincent Yu/AP Photo)





Britain's Prime Minister Theresa May speaks outside 10 Downing Street after an attack on London Bridge and Borough Market left 7 people dead and dozens injured in London, Britain, June 4, 2017. (Photo by Hannah McKay/Reuters)





Princess Charlene poses after the arrival of the Riviera Water Bike Challenge in support of the Princess Charlene of Monaco Foundation, in Nice, France, June 4, 2017. (Photo by Eric Gaillard/Reuters)





Displaced people carry their belongings to get away from flood during heavy rain at Nyala locality in South Darfur, Sudan June 3, 2017. (Photo by Mohamed Nureldin Abdallah/Reuters)





Pro-government fighters carry the body of a comrade killed during clashes with Houthi fighters in the southwestern city of Taiz, Yemen, June 4, 2017. (Photo by Anees Mahyoub/Reuters)





A woman looks at flowers left at the south end of London Bridge, near Borough market following an attack which left 7 people dead and dozens of injured in central London, Britain, June 5, 2017. (Photo by Peter Nicholls/Reuters)





A woman carries a bunch of flowers accross London Bridge, in London, Britain, June 5, 2017. (Photo by Clodagh Kilcoyne/Reuters)





A woman reacts next to flowers left on the south side of London Bridge near Borough Market after an attack left 7 people dead and ozens of injured in London, Britain, June 5, 2017. (Photo by Clodagh Kilcoyne/Reuters)





Phil Schiller, Apple's senior vice president of worldwide marketing, speaks during an announcement of new products at the Apple Worldwide Developers Conference in San Jose, Calif., Monday, June 5, 2017. (Photo by Marcio Jose Sanchez/AP Photo)





Members of the media photograph a prototype Apple HomePod during the annual Apple Worldwide Developer Conference (WWDC) in San Jose, California, U.S. June 5, 2017. (Photo by Stephen Lam/Reuters)





Apple's Greg Joswiak speaks about the iPad Pro during an announcement of new products at the Apple Worldwide Developers Conference in San Jose, Calif., Monday, June 5, 2017. (Photo by Marcio Jose Sanchez/AP Photo)





Visitors look at taxidermied marine life on display inside a maritime museum at the Citadel of Qaitbay on the Mediterranean sea, Alexandria, Egypt June 5, 2017. (Photo by Amr Abdallah Dalsh/Reuters)





India's Geosynchronous Satellite Launch Vehicle (GSLV) carrying an Mk III communication satellite blasts off from the Satish Dhawan Space Centre at Sriharikota, India June 5, 2017. (Photo by Reuters/Stringer)





Participants in traditional Whitsun celebrations ride horses during a mounted procession near Bad Koetzing, Germany, 5 June 2017. Around 900 riders took part in the procession, a seven kilometre route from Bad Koetzing to the Saint Nicholas Church in Steinbuehl. (Photo by Armin Weigel/DPA/Bildfunk)





This photo taken on June 4, 2017 shows Adrian Buchan of Australia surfing during the first round, first heat at the OuterKnown Fiji Pro Men's surfing tournament in Fiji's Tavarua. (Photo by Tom Servais/AFP Photo)





This photo taken on June 4, 2017 shows US- Brazilian surfer Tatiana Weston- Webb riding a wave during the final round of the OuterKnown Fiji Pro Women' s surfing tournament in Fiji' s Tavarua. (Photo by Tom Servais/AFP Photo)