Young alpacas, male Romeo (L) and female Juliette, walk inside their open air enclosure as employees congratulate coupled animals on Valentine's Day at the Roev Ruchey Zoo in Krasnoyarsk, Russia February 14, 2017. REUTERS/Ilya Naymushin TPX IMAGES OF THE DAY - RTSYLLG

U.S. President Donald Trump (R) and first lady Melania Trump (L) greet Israeli Prime Minister Benjamin Netanyahu and his wife Sara as they arrive at the South Portico of the White House in Washington, U.S., February 15, 2017. REUTERS/Kevin Lamarque TPX IMAGES OF THE DAY - RTSYUJJ

A person walks through Fort Greene Park during winter storm Niko in the Brooklyn borough of New York City, U.S. February 9, 2017. REUTERS/Stephanie Keith TPX IMAGES OF THE DAY - RTX30DFK

A golden eagle grabs a flying drone during a military training exercise at Mont-de-Marsan French Air Force base, Southwestern France, February 10, 2017. REUTERS/Regis Duvignau TPX IMAGES OF THE DAY - RTX30HM3

Anti-government demonstrators clash with riot policemen during a protest against the Rio de Janeiro state government and a plan that will limit public spending, next to the State Assembly of Rio de Janeiro, Brazil February 9, 2017. REUTERS/Ricardo Moraes TPX IMAGES OF THE DAY - RTX30CQU

Haitian migrants talk through a window at an Evangelical Church, being used as a shelter for stranded immigrants on their way to the U.S., in Tijuana, Mexico, February 12, 2017. Picture taken February 12, 2017. REUTERS/Jorge Duenes - RTSYIJC

A woman who told police that she and her family were from Sudan is taken into custody by Royal Canadian Mounted Police (RCMP) officers after arriving by taxi and walking across the U.S.-Canada border into Hemmingford, Quebec, Canada February 12, 2017. Picture taken February 12, 2017. REUTERS/Christinne Muschi TPX IMAGES OF THE DAY - RTSYNI3

An internally displaced girl plays, in the eastern Damascus suburb of Ghouta, Syria February 9, 2017. REUTERS/Bassam Khabieh - RTX30CQP

A Donald Trump for President campaign sticker is shown attached to a U.S. Customs sign hanging on the border fence between Mexico and the United States near Calexico, California, U.S. February 8, 2017. Picture taken February 8, 2017. REUTERS/Mike Blake - RTX30CZE

Models smoke in robes following their appearance in the Calvin Klein Autumn/Winter 2017 collection presentation during New York Fashion Week in the Manhattan borough of New York, U.S. February 10, 2017. REUTERS/Andrew Kelly - RTX30HWK

A dead pilot whale lies on a sandbank after one of the country's largest recorded mass whale strandings, in Golden Bay, at the top of New Zealand's South Island, February 11, 2017. REUTERS/Anthony Phelps - RTX30J51

White House Press Secretary Sean Spicer removes lint from Senior White House Advisor Stephen Miller's jacket as he waits to go on the air in the White House Briefing Room in Washington, U.S., February 12, 2017. REUTERS/Joshua Roberts TPX IMAGES OF THE DAY - RTSYA0N

Security officials remove members of the Economic Freedom Fighters during President Jacob Zuma's State of the Nation Address (SONA) to a joint sitting of the National Assembly and the National Council of Provinces in Cape Town, South Africa February 9, 2017. REUTERS/Sumaya Hisham - RTX30CQE

Japanese Prime Minister Shinzo Abe shakes hands with U.S. President Donald Trump (R) during their meeting in the Oval Office at the White House in Washington, U.S., February 10, 2017. REUTERS/Jim Bourg TPX IMAGES OF THE DAY - RTX30HPZ