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A performer carries balloons across Sixth Avenue during the Macy's Thanksgiving Day Parade, in New York, Thursday, Nov. 24, 2016. (AP Photo/Andres Kudacki)

Andres Kudacki/AP

A performer carries balloons across Sixth Avenue during the Macy’s Thanksgiving Day Parade, in New York. Photo Andres Kudacki/AP 

U.S. President Barack Obama is welcomed by German Chancellor Angela Merkel upon his arrival at the chancellery in Berlin, Germany, November 17, 2016.      REUTERS/Fabrizio Bensch  - RTX2U4LR

Fabrizio Bensch/Reuters

U.S. President Barack Obama is welcomed by German Chancellor Angela Merkel upon his arrival at the chancellery in Berlin, Germany. Photo Fabrizio Bensch/Reuters 

Demonstrators walk through Downtown San Diego in protest to the election of Republican Donald Trump as the president of the United States in San Diego, California, U.S. November 9, 2016.  REUTERS/Sandy Huffaker

Sandy Huffaker/Reuters

Demonstrators walk through Downtown San Diego in protest to the election of Republican Donald Trump as the president of the United States in San Diego, California, U.S. Photo Sandy Huffaker/Reuters 

Former Secretary of State Hillary Clinton concedes the presidential election at the New Yorker Hotel on November 9, 2016 in New York City. Republican candidate Donald Trump won the 2016 presidential election in the early hours of the morning in a widely unforeseen upset.  (Photo by Justin Sullivan/Getty Images)

Justin Sullivan/Getty

Former Secretary of State Hillary Clinton concedes the presidential election at the New Yorker Hotel in New York City. Republican candidate Donald Trump won the 2016 presidential election in the early hours of the morning in a widely unforeseen upset. Photo Justin Sullivan/Getty 

Virginia residents wait in line in the pre-dawn hours to vote in the the 2016 US presidential election before the polls open at an historic property called the 'Hunter House' at Nottoway Park in Vienna, Virginia, USA, 08 November 2016. US Americans are called to the polls in the election to chose the 45th President of the United States of America to serve from 2017 through 2020.  EPA/JIM LO SCALZO

Jim Lo Scalzo/EPA

Virginia residents wait in line in the pre-dawn hours to vote in the the 2016 US presidential election before the polls open at an historic property called the ‘Hunter House’ at Nottoway Park in Vienna, Virginia, USA. US Americans are called to the polls in the election to chose the 45th President of the United States of America to serve from 2017 through 2020. Photo Jim Lo Scalzo/EPA 

A man wears a shirt with photographs of Hillary Clinton, 2016 Democratic presidential nominee, while watching the third U.S. presidential debate at a viewing party in San Francisco, California, U.S., on Wednesday, Oct. 19, 2016. Donald Trump is trying another wild-card play in the third and final presidential debate with Hillary Clinton in perhaps his last chance to reverse his campaign's spiral and halt his Democratic rival's rising electoral strength. Photographer: David Paul Morris/Bloomberg

David Paul Morris/Bloomberg

A man wears a shirt with photographs of Hillary Clinton, 2016 Democratic presidential nominee, while watching the third U.S. presidential debate at a viewing party in San Francisco, California, U.S. Photo David Paul Morris/Bloomberg 

Protesters gather in front of a campaign office for Republican presidential candidate Donald Trump in Philadelphia, Tuesday, Oct. 18, 2016. (AP Photo/Matt Rourke)

Matt Rourke/AP

Protesters gather in front of a campaign office for Republican presidential candidate Donald Trump in Philadelphia. Photo Matt Rourke/AP. 

U.S. President Barack Obama (L) and Italy's Prime Minister Matteo Renzi stand for the playing of the anthems during an official arrival ceremony on the South Lawn of the White House in Washington, U.S., October 18, 2016.   REUTERS/Kevin Lamarque

Kevin Lamarque/Reuters

U.S. President Barack Obama and Italy’s Prime Minister Matteo Renzi stand for the playing of the anthems during an official arrival ceremony on the South Lawn of the White House in Washington, U.S. Photo Kevin Lamarque/Reuters 

gAn attendee gives the thumbs up while wearing a Donald Trump mask during a campaign event for Donald Trump, 2016 Republican presidential nominee, in Cincinnati, Ohio, U.S., on Thursday, Oct. 13, 2016. Trump rebuffed political aides' requests to research his past, people familiar with the matter said, a decision that contributed to his campaign being caught unprepared for the past week's barrage of claims he mistreated women. Photographer: Luke Sharrett/Bloomberg

Luke Sharrett/Bloomberg

An attendee gives the thumbs up while wearing a Donald Trump mask during a campaign event for Donald Trump, 2016 Republican presidential nominee. Photo Luke Sharrett/Bloomberg 

 

Brian Snyder/Reuters

 

Jo Applin from the Courtauld Institute of Art looks at Green Tilework in Live Flesh by Adriana Vareja,  which features in a new exhibition, Flesh, at York Art Gallery.

Danny Lawson/PA

Jo Applin from the Courtauld Institute of Art looks at Green Tilework in Live Flesh by Adriana Vareja, which features in a new exhibition, Flesh, at York Art Gallery

 Protesters shout and confront riot police officers in Charlotte, North Carolina, USA

Caitlin Penna/EPA

Protesters shout and confront riot police officers in Charlotte, North Carolina, USA 

The Washington Monument provides a backdrop as Myanmar's State Counsellor Aung San Suu Kyi is guided by U.S. National Park Service Ranger Heath Mitchell (L) on a visit to the Lincoln Memorial in Washington, U.S. September 14, 2016. REUTERS/Jonathan Ernst     TPX IMAGES OF THE DAY

Jonathan Ernst/Reuters

The Washington Monument provides a backdrop as Myanmar’s State Counsellor Aung San Suu Kyi is guided by U.S. National Park Service Ranger Heath Mitchell on a visit to the Lincoln Memorial in Washington 

An aerial view of the Statue of Liberty, September 8, 2016 in New York City. New York City is preparing to mark the 15th anniversary of the September 11 terrorist attacks. (Photo by Drew Angerer/Getty Images)

Drew Angerer/Getty

An aerial view of the Statue of Liberty. New York City is preparing to mark the 15th anniversary of the September 11 terrorist attacks

Democratic presidential nominee Hillary Clinton listens to a question while speaking to the press at Westchester County Airport September 8, 2016 in White Plains, New York. Clinton Thursday slammed her Republican opponent Donald Trump's recent praise for President Vladimir Putin as "scary." / AFP PHOTO / Brendan SmialowskiBRENDAN SMIALOWSKI/AFP/Getty Images

Brendan Smialowski/AFP/Getty

Democratic presidential nominee Hillary Clinton listens to a question while speaking to the press at Westchester County Airport in White Plains, New York 

A passerby looks at a statue depicting republican presidential nominee Donald Trump in the nude in San Francisco, United State

Justin Sullivan/Getty Images

A passerby looks at a statue depicting republican presidential nominee Donald Trump in the nude in San Francisco, United States

2016 Rio Olympics - Athletics - Final - Men's Triple Jump Final - Olympic Stadium - Rio de Janeiro, Brazil - 16/08/2016. Christian Taylor (USA) of USA competes.

Dylan Martinez/Reuters

Christian Taylor of USA competes leaps to victory in the triple jump final at the Olympics in Rio

 Michael Phelps (USA) of USA competes on his way to winning the gold medal.

Stefan Wermuth/Reuters

Men’s 200m Butterfly Final. Michael Phelps of USA competes on his way to winning the gold medal

Supporters of Republican presidential candidate Donald Trump stand for the pledge of allegiance during a campaign rally at Briar Woods High School, Tuesday, Aug. 2, 2016, in Ashburn, Va. (AP Photo/Evan Vucci)

Evan Vucci/AP

Supporters of Republican presidential candidate Donald Trump stand for the pledge of allegiance during a campaign rally at Briar Woods High School, Ashburn Virginia 

MIAMI, FL - AUGUST 01:  Larry Smart, a Miami-Dade County mosquito control inspector, uses a fogger to spray pesticide to kill mosquitos in the Wynwood neighborhood as the county fights to control the Zika virus outbreak on August 1, 2016 in Miami, Florida. Today, it was announced that 10 more individuals have been infected with the Zika virus by local mosquitoes.  (Photo by Joe Raedle/Getty Images) *** BESTPIX ***

Joe Raedle/Getty

Larry Smart, a Miami-Dade County mosquito control inspector, uses a fogger to spray pesticide to kill mosquitos in the Wynwood neighbourhood as the county fights to control the Zika virus outbreak in Miami, Florida