Taylor Swift poses upon arriving for the Time 100 Gala celebrating Time magazine's 100 most influential people in the world in New York, U.S., April 23, 2019.

A group of men purported to be the the Sri Lanka bomb attackers is seen at an unknown location in this still image taken from video uploaded by the Islamic State's AMAQ news agency April 23, 2019 and received by Reuters via SITE Intel Group. Video uploaded April 23, 2019.

Members of the police carry a demonstrator during the Extinction Rebellion protest at the Marble Arch in London, Britain April 24, 2019. REUTERS/Toby Melville

Dr. Ali Ertuerk, Group Leader at the Institute for Stroke and Dementia Research (ISD) at the Ludwig Maximillian's University, looks at a transparent mouse at his laboratory in Munich, Germany April 23, 2019. Mr. Ertuerk and his team developed DISCO transparency technology which is used by scientists from diverse biomedical research fields to generate high resolution views of intact rodent organs and bodies, a milestone on the way to generate 3D-bioprinted human organs. Picture taken April 23, 2019.

Iran's Foreign Minister Mohammad Javad Zarif poses for a portrait following an interview with Reuters in New York, New York, U.S., April 24, 2019.

A woman from Central America bathes a child inside the "House of the Refugee", which gives temporary shelter to migrants released by ICE and U.S. Customs and Border Protection (CBP) due to overcrowded facilities, in El Paso, Texas, U.S. April 24, 2019.

A Venezuelan military deserter of the National Guard, who doesn't want to be identified, is seen in the border city of Pacaraima, Brazil April 11, 2019. Picture taken April 11.

An artisanal gold miner holds a gold nugget at an unlicensed mine in Gaoua, Burkina Faso, February 13, 2018. Picture taken February 13, 2018.

Migrants are seen at the Anti-Illegal Immigration Agency in Tajora shelter center in Tripoli, Libya April 24, 2019.

A Sudanese couple enjoy the shallow waters of the Nile River in Khartoum, Sudan, April 24, 2019.

The body of eight-month-old victim Mathew is seen in Negombo, three days after a string of suicide bomb attacks on churches and luxury hotels across the island on Easter Sunday, in Sri Lanka April 24, 2019.

Ibrahima, from Ivory Coast, works in the greenhouse owned by Juan Jose Bonilla, member of Spain's far-right party VOX, in El Ejido, near Almeria, Spain, April 10, 2019. Picture taken April 10, 2019.

A member of the 324 Squadron during the ANZAC Day Dawn Service at Coogee Beach in Sydney, Australia, April 25, 2019.

People inspect the family house of Palestinian assailant Omar Abu Laila after it was blown up and demolished by Israeli forces, in Az-Zawiya village, in the Israeli-occupied West Bank, April 24, 2019.

North Korean leader Kim Jong Un arrives at the railway station in the Russian far-eastern city of Vladivostok, Russia, April 24, 2019. REUTERS/Shamil Zhumatov

An Iraqi Marsh Arab man fishes at the Chebayesh marsh in Dhi Qar province, Iraq April 13, 2019. Picture taken April 13, 2019.

Pallbearers carry the coffin of journalist Lyra McKee at her funeral at St. Anne's Cathedral in Belfast, Northern Ireland April 24, 2019.