A participant dressed as a character from J.R.R. Tolkien's novel “The Hobbit” takes part in a reenactment of the “Battle of Five Armies” in a forest near the town of Doksy, Czech Republic, June 16, 2018. (Photo by David W. Cerny/Reuters)





Trainee Maria al-Faraj practices how to adjust a tire during a driving lesson at Saudi Aramco Driving Center in Dhahran, Saudi Arabia on June 18, 2018. (Photo by Ahmed Jadallah/Reuters)





Japan fans celebrate after the Russia 2018 World Cup Group H football match between Colombia and Japan at the Mordovia Arena in Saransk on June 19, 2018. (Photo by Jason Cairnduff/Reuters)





The crowd watching the match at Lunar cinema on Brighton beach react to Englands Harry Kane as he scores the winner as England play Tunisia in the group stages of the 2018 FIFA World Cup tournament on June 18, 2018 in Brighton, England. (Photo by Alan Crowhurst/Getty Images)





U.S. first lady Melania Trump (R) and Queen Letizia of Spain walk along the Rose Garden Colonnade before entering the Oval Office at the White House June 19, 2018 in Washington, DC. The Spanish royals visited San Antonio, Texas, and New Orleans, Louisiana, before traveling to Washington to meeting with Trump. (Photo by Chip Somodevilla/Getty Images)





Racegoers during day one of Royal Ascot at Ascot Racecourse on June 19, 2018 in Ascot, United Kingdom. (Photo by Nigel French/PA Images via Getty Images)





A racegoer attends Royal Ascot Day 1 at Ascot Racecourse on June 19, 2018 in Ascot, United Kingdom. (Photo by Andrew Boyers/Action Images via Reuters)





Racegoers during day one of Royal Ascot at Ascot Racecourse on June 19, 2018 in Ascot, United Kingdom. (Photo by Nigel French/PA Images via Getty Images)





In this March 12, 2016, file photo, Marines of the U.S., left, and South Korea wearing blue headbands on their helmets, take positions after landing on a beach during the joint military combined amphibious exercise, called Ssangyong, part of the Key Resolve and Foal Eagle military exercises, in Pohang, South Korea. The Pentagon on Monday, June 18, 2018, formally suspended a major military exercise planned for August with South Korea, a much-anticipated move stemming from President Donald Trump's nuclear summit with North Korean leader Kim Jong Un. (Photo by Kim Jun-bum/Yonhap via AP Photo)





In this June 19, 2018, photo provided on June 20, 2018, by the North Korean government, North Korean leader Kim Jong Un, center right, and his wife Ri Sol Ju, center left, arrive at Beijing Capital International Airport in Beijing, China. Korean language watermark on image as provided by source reads: “KCNA” which is the abbreviation for Korean Central News Agency. (Photo by Korean Central News Agency/Korea News Service via AP Photo)





A car believed to be carrying North Korean leader Kim Jong Un drives down Chang'an Avenue towards Tiananmen Square in Beijing, China on June 19, 2018. (Photo by Thomas Peter/Reuters)





Journalists film the motorcade which is believed to carry North Korean leader Kim Jong Un leaves the Diaoyutai Guest House in Beijing, Tuesday, June 19, 2018. Kim is making a two-day visit to Beijing starting Tuesday and is expected to discuss with Chinese leaders his next steps after his nuclear summit with U.S. President Donald Trump last week. (Photo by Andy Wong/AP Photo)





People bicycle past a giant TV screen broadcasting the meeting of North Korean leader Kim Jong Un and Chinese President Xi Jinping during a welcome ceremony at the Great Hall of the People in Beijing, Tuesday, June 19, 2018. Kim is making a two-day visit to Beijing starting Tuesday and is expected to discuss with Chinese leaders his next steps after his nuclear summit with U.S. President Donald Trump last week. (Photo by Andy Wong/AP Photo)





A young farmer washes a cow on the first day of The Royal Cheshire County Show at Tabley, near Knutsford, northern England on June 19, 2018. The agricultural show, which was first held in 1838, showcases all aspects of country life. Organised by The Cheshire Agricultural Society it is held each June and attracts around tens of thousands of visitors over the two days. (Photo by Oli Scarff/AFP Photo)





Cambridge students the morning after the Trinity and Jesus college May Balls in Cambridge, United Kingdom on June 19, 2018. Students at Cambridge University celebrate the end of the academic year with the May Balls. (Photo by South West News Service)





Cambridge University students looking the worse for wear and enjoying themselves in Cambridge, United Kingdom on June 19, 2018. Some of the students jumped in the River Cam to cool off. (Photo by Headlinephoto/Splash News and Pictures)





Cambridge students the morning after the Trinity and Jesus college May Balls in Cambridge, United Kingdom on June 19, 2018. Students at Cambridge University celebrate the end of the academic year with the May Balls. (Photo by South West News Service)





Cambridge students the morning after the Trinity and Jesus college May Balls in Cambridge, United Kingdom on June 19, 2018. Students at Cambridge University celebrate the end of the academic year with the May Balls. (Photo by South West News Service)





Cambridge University students enjoy themselves as they leave the 2018 May Ball in Cambridge, United Kingdom on June 19, 2018. Some of the students jumped in the River Cam to cool off. (Photo by Headlinephoto/Splash News and Pictures)