A man waits while they unload a truck of tomatoes before the "Tomatina" (tomato fight) in Sutamarchan province in Boyaca, Colombia June 2, 2019.

A woman works on gun cases in a factory of firearm equipment manufacturer Yakeda Tactical Gear Co, which exports most of its products to the United States, in Guangzhou, Guangdong province, China June 1, 2019.

U.S. President Donald Trump and Britain's Queen Elizabeth raise their glasses to make a toast at the State Banquet at Buckingham Palace in London, Britain, June 3, 2019. Dominic Lipinski/Pool via REUTERS

Members of the troop perform during the Romanes Roam circus show in Paris, France, May 30, 2019. Image used for illustrative purpose.

Sudanese protesters gesture as they chant slogans along a street and demanding that the country's Transitional Military Council hand over power to civilians in Khartoum, Sudan, June 3, 2019.

Officials are reflected in a musical instrument as they gather outside the Grand Palace to celebrate the 41st birthday of Thai Queen Suthida in Bangkok, Thailand June 3, 2019. REUTERS/Athit Perawongmetha TPX IMAGES OF THE DAY - RC15281B2350

A general view shows residents recovering their belongings at a street damaged in the aftermath of a flooding in the town of San Gabriel, in Jalisco state, Mexico, June 3, 2019.

Grigory Lukiyantsev, Ministry of Foreign Affairs of Russia for human rights and Olena Zerkal, Deputy Minister of Foreign Affairs of Ukraine, are seen crossing paths at the International Court of Justice after the hearing in a case launched by Ukraine which alleges Moscow is funding pro-Russian separatist groups in Ukraine, in The Hague, Netherlands June 3, 2019.

Annegret Kramp-Karrenbauer, Chairwoman of Germany's Christian Democratic Union party (CDU), arrives to address a news conference at the party headquarters in Berlin, Germany June 3, 2019.

U.S. President Donald Trump inspects an honour guard during a welcome ceremony in Buckingham Palace, in London, Britain, June 3, 2019.

Tennis - French Open - Roland Garros, Paris, France - June 3, 2019. Germany's Alexander Zverev in action during his fourth round match against Italy's Fabio Fognini.

Apple CEO Tim Cook speaks during Apple's annual Worldwide Developers Conference in San Jose, California, U.S. June 3, 2019.

Canada's Prime Minister Justin Trudeau speaks during the closing ceremony of the National Inquiry into Missing and Murdered Indigenous Women and Girls in Gatineau, Quebec, Canada, June 3, 2019.

A boy jumps into the Ganges river to cool off on a hot summer day in Kolkata, India, June 3, 2019.

Tennis - French Open - Roland Garros, Paris, France - June 3, 2019. Amanda Anisimova of the U.S. greets the crowd after winning her fourth round match against Spain's Aliona Bolsova.

U.S. President Donald Trump and First Lady Melania Trump meet with Britain's Queen Elizabeth at Buckingham Palace, in London, Britain, June 3, 2019.

U.S. President Donald Trump, his wife First Lady Melania, Britain's Queen Elizabeth, Britain's Charles, the Prince of Wales and Camilla, Duchess of Cornwall pose at the State Banquet at Buckingham Palace in London, Britain June 3, 2019. Jeff Gilbert/Pool via REUTERS

Enthusiasts enjoy a ride on a vintage army vehicle during a re-enactment of D-Day landings in Arromanches, on the Normandy coast, France June 3, 2019.

Members of the troop wait to enter on stage during the Romanes Roma circus show in Paris, France, May 30, 2019.