El día en fotos: Mónaco, Trump, Obama, Zuckerberg y más

Former US president Barack Obama and German Chancellor Angela Merkel leave the stage after their panel discussion during the Protestant church day (Kirchentag) event at the Brandenburg Gate (Brandenburger Tor) in Berlin on May 25, 2017. ?Barack Obama attends a panel dicussion with Angela Merkel in Berlin before heading to Baden-Baden to receive a German media prize. / AFP / John MACDOUGALL

Women look on as Sauber's German driver Pascal Wehrlein steers his car during the second practice session at the Monaco street circuit on May 25, 2017 in Monaco, three days ahead of the Monaco Formula 1 Grand Prix. / AFP / ANDREJ ISAKOVIC

TOPSHOT - US First Lady Melania Trump (R) poses for a selfie as she visits the Queen Fabiola children's hospital, on the sidelines of the NATO (North Atlantic Treaty Organization) summit, on May 25, 2017, in Brussels. US President Donald Trump meets NATO and EU leaders for the first time with the US president set to press nervous allies to do more on terrorism after the Manchester bombing. / AFP / Aurore Belot

Britain's Queen Elizabeth II (R) speaks to Evie Mills (2L), 14, from Harrogate, who was injured in the May 22 Manchester Arena terror attack, and her father Craig (2R) and mother Karen (L) during a visit to the Royal Manchester Children's Hospital in Manchester, northwest England, on May 25, 2017 to meet injured victims of the terror attack and to thank members of staff who treated them. / AFP / POOL / Peter Byrne

Facebook founder Mark Zuckerberg acknowledges a cheer from the crowd before receiving an honorary Doctor of Laws degree, as fellow honorary degree recipient actor James Earl Jones (L) looks on, during the 366th Commencement Exercises at Harvard University in Cambridge, Massachusetts, U.S., May 25, 2017. REUTERS/Brian Snyder TPX IMAGES OF THE DAY

U.S. President Donald Trump (L) and Britain's Prime Minister Theresa May react during a ceremony at the new NATO headquarters before the start of a summit in Brussels, Belgium, May 25, 2017. REUTERS/Christian Hartmann TPX IMAGES OF THE DAY

Anti-Trump demonstrators (L) grapple over a U.S. flag with demonstrators protesting against CUNY’s decision to allow Linda Sarsour, a liberal, Palestinian-American political activist, to speak at this year’s commencement in New York, U.S., May 25, 2017. REUTERS/Lucas Jackson

A woman comforts the mother of Shakil, 38, an Indian man killed by a gang on early Thursday night, near Jewar, 80km (50miles) south Delhi, India, Thursday, May 25, 2017. Police are searching for a gang of highway robbers who allegedly raped four women after dragging them into a field and fatally shooting Shakil who tried to save them. The six looted cash and valuables from the family and then raped the women, the victims alleged. Violent crimes against women have been on the rise in India despite tough laws enacted by the government. (AP Photo/Altaf Qadri)

Youths somersault over old tyres in the Khayelitsha township, near Cape Town, South Africa May 25, 2017. REUTERS/Mike Hutchings