Japan's Prime Minister Shinzo Abe, left, toasts during a lunch at the government house in Buenos Aires, Argentina, Monday, Nov. 21, 2016. Abe is on an official visit to Argentina after attending the Asia-Pacific Economic Cooperation summit in Peru. (AP Photo/Natacha Pisarenko)

Natacha Pisarenko/AP

Japan’s Prime Minister Shinzo Abe, toasts during a lunch at the government house in Buenos Aires, Argentina. Abe is on an official visit to Argentina after attending the Asia-Pacific Economic Cooperation summit in Peru. Photo Natacha Pisarenko/AP 

A Trump Tower worker cleans the waterfall at Trump Tower on another day of meetings scheduled for President-elect Donald Trump November 21, 2016 in New York. / AFP PHOTO / TIMOTHY A. CLARYTIMOTHY A. CLARY/AFP/Getty Images

Timothy A. Clary/AFP/Getty

A Trump Tower worker cleans the waterfall at Trump Tower on another day of meetings scheduled for President-elect Donald Trump November in New York. Photo Timothy A. Clary/AFP/Getty 

A newborn reticulated giraffe is seen for the first time at the Savannah in Artis Zoo in Amsterdam, the Netherlands, 21 November 2016. The calf is a week old.  EPA/KOEN VAN WEEL

Koen Van Weel/EPA

A newborn reticulated giraffe is seen for the first time at the Savannah in Artis Zoo in Amsterdam, the Netherlands. The calf is a week old. Photo Koen Van Weel/EPA

A bird dries its feathers on top of a tree as storm clouds gather on a wet day in Colombo, Sri Lanka November 21, 2016.

Dinuka Liyanawatte/Reuters

A bird dries its feathers on top of a tree as storm clouds gather on a wet day in Colombo, Sri Lanka. Photo Dinuka Liyanawatte/Reuters 

Art handlers Lorna Cumming-Bruce (left) and Sarah Gubbins at Bonhams in London with paintings by John Hoyland, Harvest (left) estimated at £30-50,000 and New Born Sun (rising) estimated at £25-35,000 which will be auctioned at the Bonhams Modern British and Irish Art Sale on November 23rd in London. PRESS ASSOCIATION Photo. Picture date: Monday November 21, 2016. Photo credit should read: Philip Toscano/PA Wire

Philip Toscano/PA

Art handlers Lorna Cumming-Bruce and Sarah Gubbins at Bonhams in London with paintings by John Hoyland, Harvest estimated at £30-50,000 and New Born Sun estimated at £25-35,000 which will be auctioned at the Bonhams Modern British and Irish Art Sale on Wednesday in London.

A vendor reads newspaper as he waits for customers at a wholesale onion market in Kolkata, India, November 21, 2016. REUTERS/Rupak De Chowdhuri

Rupak De Chowdhuri/Reuters

A vendor reads newspaper as he waits for customers at a wholesale onion market in Kolkata, India. Photo Rupak De Chowdhuri/Reuters 

 Blackened sheep graze as oil wells, set ablaze by retreating Islamic State (IS) jihadists, burn in the background, in the town of Qayyarah, some 70 km south of Mosul on November 20, 2016. Locals told AFP that they face a range of health issues including breathing difficulties, and sheperds said they could not sell their livestock as the sheep's fleece was blackened by smoke. / AFP PHOTO / Odd ANDERSENODD ANDERSEN/AFP/Getty Images

Odd Andersen/AFP/Getty

Blackened sheep graze as oil wells, set ablaze by retreating Islamic State jihadists, burn in the background, in the town of Qayyarah, Iraq. Photo Odd Andersen/AFP/Getty 

Matus, a seven-year-old Slovak boy, wears a Soviet military hat as he stands by remains of the border fences from the former 'Iron curtain' between Slovakia and Austria on November 20,2016 near Bratislava, Slovakia.  The bridge was symbolically closed for 3 days to remeber victims who lost their lives trying to escape the communist regime. Slovaks and Czechs commemorated on 17 of November 26th anniversary of the Velvet revolution. / AFP PHOTO / JOE KLAMARJOE KLAMAR/AFP/Getty Images

Joe Klamar/AFP/Getty

Matus, a seven-year-old Slovak boy, wears a Soviet military hat as he stands by remains of the border fences from the former ‘Iron curtain’ between Slovakia and Austria near Bratislava, Slovakia. Photo Joe Klamar/AFP/Getty

Walkers in Hyde Park, London brave the rain as Storm Angus continues to sweep across the UK. PRESS ASSOCIATION Photo. Picture date: Monday November 21, 2016. See PA story WEATHER Rain. Photo credit should read: Victoria Jones/PA Wire

Victoria Jone/PA

Walkers in Hyde Park, London brave the rain as Storm Angus continues to sweep across the UK. Photo Victoria Jone/PA

A person touches a portrait at the memorial for died Maidan activists

AFP/Getty Images

A person touches a portrait of an activists during a memorial ceremony devoted to the third anniversary of the Euromaidan, in Kiev on Monday. Picture AFP/Getty Images

President Obama Departs After Meeting European Leaders

Carsten Koall/Getty Images

U.S. President Barack Obama waves before is goes to board Air Force One as he departs following talks with European leaders in Berlin, Germany on Friday. Obama is on his last trip to Europe as U.S. President. Picture Carsten Koall/Getty Images

Indian Kashmiris walk next to maple tree

AFP/Getty Images

Indian Kashmiris walk next to maple trees in autumn in Srinagar. Trees are changing colours while the days become shorter as winter approaches in the Kashmiri summer capital of Srinagar. Picture AFP

Police use water cannon to disperse activists of the youth wing of India's main opposition Congress party during a protest in New Delhi

REUTERS/Adnan Abidi

Police use water cannon to disperse activists of the youth wing of India’s main opposition Congress party during a protest against the government’s decision to withdraw 500 and 1000 Indian rupee banknotes from circulation, according to a media release, in New Delhi, India. Picture REUTERS/Adnan Abidi

The Soyuz MS-03 spacecraft carrying the crew of Whitson of the U.S., Novitskiy of Russia and Pesquet of France blasts off to the International Space Station (ISS) from the launchpad at the Baikonur cosmodrome, Kazakhstan

REUTERS/Shamil Zhumatov

The Soyuz MS-03 spacecraft carrying the crew of Peggy Whitson of the U.S., Oleg Novitskiy of Russia and Thomas Pesquet of France blasts off to the International Space Station (ISS) from the launchpad at the Baikonur cosmodrome, Kazakhstan.
Picture REUTERS/Shamil Zhumatov

Relatives and friends watch a rescue operation for miners who were trapped at a copper mine after it was hit by a landslide near the southeastern city of Siirt

REUTERS/Sertac Kayar

Relatives and friends watch a rescue operation for miners who were trapped at a copper mine after it was hit by a landslide near the southeastern city of Siirt, Turkey.
Picture REUTERS/Sertac Kayar

A protester burns an image of former Philippine dictator Ferdinand Marcos along a main street at Taft avenue, metro Manila, Philippines. Picture Romeo Ranoco/Reuters

A man looks at a contaminated river in Cangnan county of Wenzhou

Reuters

A man looks at a contaminated river in Cangnan county of Wenzhou, Zhejiang province, China. Picture Reuters

An Iraqi displaced boy (L) wears a mask depicting Korean pop star Park Jae-sang as he stands with a friend at Jadaa refugees camp near Qayyarah city, some 40 km southern Mosul, Iraq, 17 November 2016. According to a local official in Jadaa camp, the camp which was opened after the beginning of the military operation to liberation of Mosul city, is currently hosting around ten thousand people who fled from many villages near Mosul due to the fighting between the Iraqi forces and Islamic State (IS) group.  EPA/AHMED JALIL

Ahmed Jalil/EPA

An Iraqi displaced boy wears a mask depicting Korean pop star Park Jae-sang as he stands with a friend at Jadaa refugees camp near Qayyarah city. Photo Ahmed Jalil/EPA 

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 

Robot inventor Wu Yulu sits on a rickshaw driven by a robot which he invented in his village in rural Beijing's Tongzhou district, China, 17 November 2016. The 54-year-old Chinese farmer living in rural Beijing's Tongzhou district invented 63 robots in the past 30 years. Wu, who only received primary school education, plans to give up the agricultural work for his robot products. He regularly participates in exhibitions, transfers patent rights and teaches at the university to earn money.  EPA/WU HONG

Wu Hong/EPA

Robot inventor Wu Yulu sits on a rickshaw driven by a robot which he invented in his village in rural Beijing’s Tongzhou district, China. The 54-year-old Chinese farmer has invented 63 robots in the past 30 years. Photo Wu Hong/EPA