A man walks with a car tyre as he barricades the street during a service delivery protest in Alexandra township in the north of Johannesburg, South Africa, April 3, 2019.

A four-level 30 square metres large farming technology container with 900 plants is lit by LED lights outside a store of IKEA, the world's biggest furniture group in Kaarst near Duesseldorf, Germany, April 3, 2019. IKEA tests growing the crops fully automated without soil using organic nutrients produced by recycling organic waste from the nearby IKEA restaurant taking five weeks from sowing to harvest.

Trucks wait in a long queue for border customs control to cross into the U.S., caused by the redeployment of border officers to deal with a surge in migrants, at the Otay border crossing in Tijuana, Mexico April 2, 2019.

NATO Secretary General Jens Stoltenberg addresses a joint meeting of Congress as U.S. Vice President Mike Pence and House Speaker Nancy Pelosi (D-CA) look on in the House Chamber on Capitol Hill in Washington, U.S., April 3, 2019.

Chinese honour guards hold caskets containing the remains of Chinese soldiers during the handing over ceremony at Incheon International Airport in Incheon, west of Seoul, April 3, 2019.

An anti-Brexit protester demonstrates outside the Houses of Parliament in London, Britain, April 3, 2019.

Mayoral candidate Lori Lightfoot clinches her fists as she speaks during her election night celebration after defeating her challenger Toni Preckwinkle in a runoff election in Chicago, Illinois, U.S., April 2, 2019.

Divers are pictured in the underwater cinema studio "Lites" during the shooting of a movie in the Brussels suburb of Vilvoorde, Belgium, January 29, 2019. Picture taken January 29, 2019.

Russian President Vladimir Putin signs a car hood during the opening ceremony of a Mercedes Benz automobile assembly plant, as Chairman of the Board of Management of Daimler AG Dieter Zetsche and German economics ministers Peter Altmaier look on, outside Moscow, Russia, April 3, 2019.

French soccer player Kylian Mbappe and Brazilian soccer legend Pele pose ahead of their meeting in Paris, April 2, 2019. Picture taken April 2, 2019.

NATO Secretary General Jens Stoltenberg is applauded by U.S. Vice President Mike Pence and House Speaker Nancy Pelosi (D-CA) as he addresses a joint meeting of Congress in the House Chamber on Capitol Hill in Washington, U.S., April 3, 2019.

Russian soccer player Pavel Mamayev, who was detained last year and accused of carrying out attacks, is seen inside a defendants' cage during a court hearing in Moscow, Russia April 3, 2019.

U.S. soldiers walk next to the border fence between Mexico and the United States, as migrants are seen walking behind the fence, after crossing illegally into the U.S. to turn themselves in, in El Paso, Texas, U.S., in this picture taken from Ciudad Juarez, Mexico, April 3, 2019. The writing on the wall reads, "Help us Jesus Christ.

The symbolic last piece of stone coal harvested in a German mine to mark the end of coal mining in Germany is pictured after miners handed it over to German President Frank-Walter Steinmeier at Bellevue palace in Berlin, Germany, April 3, 2019.

Actor Lori Loughlin, facing charges in a nationwide college admissions cheating scheme, is escorted to federal court in Boston, Massachusetts, U.S., April 3, 2019. REUTERS/Brian Snyder