NAMPA / Reuters

× Refugees demonstrating against conditions in Moria camp and delays in asylum applications are surrounded by riot police, separating the refugees from protesting groups of locals in the city of Mytilene on the island of Lesbos, Greece, April 22, 2018. Picture taken April 22, 2018. REUTERS/Elias Marcou

NAMPA / Reuters

× Smoke rises as riot police officers stand guard separating protesting groups of locals and refugees demonstrating against conditions in Moria camp and delays in asylum applications, in the city of Mytilene on the island of Lesbos, Greece, April 22, 2018. Picture taken April 22, 2018. REUTERS/Elias Marcou

NAMPA / Reuters

× Smoke rises as refugees demonstrating against conditions in Moria camp and delays in asylum applications confront protesting groups of locals in the city of Mytilene on the island of Lesbos, Greece, April 22, 2018. Picture taken April 22, 2018. REUTERS/Elias Marcou

NAMPA / Reuters

× A refugee is treated after inhaling tear gas as refugees demonstrating against conditions in Moria camp and delays in asylum applications confront protesting groups of locals, in the city of Mytilene on the island of Lesbos, Greece, April 23, 2018. REUTERS/Elias Marcou

NAMPA / Reuters

× Boys carry a sack filled with recyclable material collected by them at a slum area in New Delhi, India, April 23, 2018. REUTERS/Adnan Abidi

NAMPA / Reuters

× Chinese President Xi Jinping speaks to heads of the delegation of Shanghai Cooperation Organization (SCO) during a meeting at the Great Hall of the People in Beijing, China April 23, 2018. Naohiko Hatta/Pool via REUTERS

NAMPA / Reuters

× Britain's Prime Minister Theresa May poses for a selfie with upholsterer Derek Whitehouse during a visit to Boss Design during the Conservative Party's Local Election campaign in Dudley, Britain April 23, 2018. REUTERS/Darren Staples

NAMPA / Reuters

× A logo of French electrical goods company Groupe SEB is pictured at the Groupe Seb Moulinex factory as employees listen to the speech of French Prime Minister Edouard Philippe to announce the French government's recycling program in Mayenne, France, April 23, 2018. REUTERS/Stephane Mahe

NAMPA / Reuters

× Nicaraguan writer Sergio Ramirez receives the 2018 Cervantes Literature Award from Spain's King Felipe and Queen Letizia at the Alcala de Henares University in Alcala de Henares, Spain, April 23, 2018. Juan Carlos Hidalgo/Pool via REUTERS

NAMPA / Reuters

× Shanghai Cooperation Organization (SCO) Secretary General Rashid Alimov shakes hands with Chinese President Xi Jinping before a meeting at the Great Hall of the People in Beijing, China April 23, 2018. Naohiko Hatta/Pool via REUTERS

NAMPA / Reuters

× Tajik Foreign Minister Sirodjidin Aslov shakes hands with Chinese President Xi jinping before a meeting at the Great Hall of the People in Beijing, China April 23, 2018. Naohiko Hatta/Pool via REUTERS

NAMPA / Reuters

× French Prime Minister Edouard Philippe delivers a speech to announce the government's recycling program during a visit at the Groupe Seb Moulinex factory in Mayenne, France, April 23, 2018. REUTERS/Stephane Mahe