French President Emmanuel Macron and Saad al-Hariri, who announced his resignation as Lebanon's prime minister while on a visit to Saudi Arabia, embrace in the courtyard of the Elysee Palace in Paris, France, November 18, 2017.

Protesters calling for Zimbabwean President Robert Mugabe to step down cheer in front of a military vehicle in Harare, Zimbabwe, November 18, 2017.

A mahout guards the elephants during the annual Vrischikolsavam festival, which features a colourful procession of decorated elephants along with drum concerts, at a temple in Kochi, India, November 18, 2017.

A man dressed as a devil performs during a Krampus show in Goricane, Slovenia, November 18, 2017.

A woman uses a flashlight as she looks at her child lying in a cot, after Hurricane Maria hit the island in September and damaged the electrical grid, in Dorado, Puerto Rico November 17, 2017.

An ancient statue is partly submerged under water at an archaeological site, following flash floods which hit the area, at the village of Dion, Greece November 18, 2017.

A view shows the Klimsen-Kapelle church in front of the peak of mount Klimsenhorn (1,907 m /6,257 ft above sea level) over the clouds near Hergiswil, Switzerland November 18, 2017.

A hooded protester throws a flare during clashes following a rally marking the 44th anniversary of a 1973 student uprising against the military dictatorship that was ruling Greece, in Athens, Greece November 17, 2017.

Supporters of of Kenyan opposition National Super Alliance (NASA) coalition react during clashes with anti-riot police in the Baba Dogo neighborhood of Nairobi, Kenya, November 19, 2017.

Riot police use stones to disperse the convoy of Kenyan opposition leader Raila Odinga of the National Super Alliance (NASA) coalition as they attempt to access the Uhuru Park grounds upon his return in Nairobi, Kenya November 17, 2017.

The Argentine military submarine ARA San Juan and crew are seen leaving the port of Buenos Aires, Argentina June 2, 2014. Picture taken on June 2, 2014.

U.S. resident Brian Houston marries Evelia Reyes as U.S. Border Patrol agents open a single gate in the border wall to allow selected families to visit along the U.S.-Mexico border at Border Field State Park in San Diego, California, U.S., November 18, 2017. REUTERS/Mike Blake

Members of the media participate in a protest against the murder of fellow news cameraman Samuel Rivas who, according to the police, was killed by suspected gang members yesterday in San Salvador, El Salvador November 17, 2017.

Delegates celebrate after Zimbabwean President Robert Mugabe was dismissed as party leader at an extraordinary meeting of the ruling ZANU-PF's central committee in Harare, Zimbabwe November 19, 2017.

U.S. President Donald Trump prays with the Oklahoma Women's Softball women team as he greets members of Championship NCAA teams at the White House in Washington, U.S., November 17, 2017.

Members of a group called Lancaster Against Pipelines block construction of a pipeline in Holtwood, Pennsylvania, U.S. November 18, 2017.

Palestinians wait for travel permits to cross into Egypt, after Rafah border crossing was opened under control of the Western-backed Palestinian Authority for the first time since 2007, in Khan Younis in the southern Gaza Strip November 19, 2017.