Peru's President Pedro Pablo Kuczynski gestures while addressing the audience after receiving the presidential sash during his inauguration ceremony in Lima, Peru, July 28, 2016. REUTERS/Mariana Bazo

Canada's Environment Minister Catherine McKenna speaks during Question Period in the House of Commons on Parliament Hill in Ottawa, Canada, February 3, 2016. REUTERS/Chris Wattie

Libyan forces prepare to detonate and dispose of explosives and shells left behind by Islamic State militants in Sirte following a battle, in Misrata Libya, September 9, 2016. REUTERS/Stringer

Top candidate of the anti-immigration party Alternative for Germany (AfD) Georg Pazderski arrives before the first exit polls after the Berlin city-state elections in Germany September 18, 2016. REUTERS/Fabrizio Bensch

German Chancellor and chairwoman of the Christian Democratic Union (CDU) Angela Merkel waves during an election campaign rally for local city elections in Berlin, Germany, September 14, 2016. REUTERS/Fabrizio Bensch

Berlin top candidate of the anti-immigration party Alternative for Germany (AfD) Georg Pazderski welcomes AfD co-leader Joerg Meuthen (R) before the first exit polls after the Berlin city-state elections, Germany September 18, 2016. REUTERS/Fabrizio Bensch

Top candidate of Social Democratic Party (SPD) and Mayor of Berlin Michael Mueller arrives to the polling station during Berlin state election, Germany, September 18, 2016. REUTERS/Fabrizio Bensch

Juan Carlos Varela Rodriguez(L), President of the Republic of Panama, signs the guest book with UN Secretary-General Ban Ki-moon(R) at the United Nations Headquarters, September 18, 2016 in New York. / AFP PHOTO / DOMINICK REUTERDOMINICK REUTER/AFP/Getty Images