A model looks at mobile phone backstage prior Raimondo Aquilani Autumn/Winter 2017 women collection during Milan’s Fashion Week, in Milan, Italy, February 25, 2017. Photo by Alessandro Garofalo.

A woman waits to be registered prior to a food distribution carried out by the United Nations World Food Programme (WFP) in Thonyor, Leer state, South Sudan, February 26, 2017. Photo by Siegfried Modola.

Actor Jon Hamm at the Oscars Vanity Fair Party in Beverly Hills, California, U.S., February 26, 2017. Photo by Danny Moloshok.

People gather near the Oscar ceremony to protest against the Dakota Access oil pipeline, in Hollywood, California, U.S. February 26, 2017. Photo by Andrew Cullen.

People gather near the Oscar ceremony to protest against the Dakota Access oil pipeline, in Hollywood, California, U.S., February 26, 2017. Photo by Andrew Cullen.

Actress Kate Beckinsale at the Oscars Vanity Fair Party in Beverly Hills, California, U.S, February 26, 2017. Photo by Danny Moloshok.

River systems can be seen flowing near sand dunes in outback Queensland, Australia, February 28, 2017. Photo by David Gray.

Damaged seats are pictured amidst rubble of buildings in the northern Syrian town of al-Bab, Syria, February 28, 2017. Photo by Khalil Ashawi.

Vice President Mike Pence (L) and Speaker of the House Paul Ryan (R) applaud as US President Donald J. Trump (C) arrives to deliver his first address to a joint session of Congress from the floor of the House of Representatives in Washington, DC, USA, 28 February 2017. Photo by Jim Lo Scalzo.

A displaced Iraqi girl reacts as she flees her home in Mamoun district as Iraqi forces battle with Islamic State militants, in western Mosul, Iraq, March 1, 2017. Photo by Zohra Bensemra.

Italy’s Mount Etna, Europe’s tallest and most active volcano, spews lava as it erupts on the southern island of Sicily, Italy, February 28, 2017. Photo by Antonio Parrinello.

Security agents wear black as they sit on chairs inside the Great Hall of the People where sessions of the National People’s Congress (NPC) and the Chinese People’s Political Consultative Conference (CPPCC) are taking place, in Beijing, China, March 1, 2016. Photo by Damir Sagolj.

Actress Uma Thurman poses during a photocall before the French fashion house Christian Dior Fall/Winter 2017-2018 women’s ready-to-wear collection during Fashion Week in Paris, France, March 3, 2017. Photo by Gonzalo Fuentes.

People walk past the logo of Premium Friday campaign, encouraging firms to let workers out a few hours early on the last Friday of every month so that they spend money on shopping and leisure to help boost the economy, in Tokyo, Japan, February 24, 2017. Photo by Toru Hanai.

Serbia’s Novak Djokovic rests during the match against Australia’s Nick Kyrgios at theMexican Open inAcapulco, Mexico, March 03, 2017. Photo by Henry Romero.