Demonstrators carry a banner as they shout slogans during a protest over corruption, lack of jobs, and poor services, in Najaf, Iraq October 25, 2019. The banner reads "People enough slumber, rise up against the tyrants and rise up against the corruption". REUTERS/Alaa al-Marjani

A giant panda Ying Ying rests at her enclosure at the Ocean Park at Aberdeen's harbour southwest of Hong Kong, China, September 11, 2019. REUTERS/Amr Abdallah Dalsh

A fossa rests near a cabin in the Kirindy forest reserve near the city of Morondava, Madagascar, September 1, 2019. Picture taken September 1, 2019. REUTERS/Baz Ratner

Ducklings are seen at a farm in Jiaxiang county, Shandong province, China, July 16, 2019. Picture taken July 16, 2019. REUTERS/Jason Lee

A large crocodile is seen in the Tarcoles River, a river with one of the highest crocodile population in the world, in Tarcoles, province of Puntarenas, Costa Rica, July 16, 2019. REUTERS/Juan Carlos Ulate

Golf - The 148th Open Championship - Royal Portrush Golf Club, Portrush, Northern Ireland - July 17, 2019 Martin Slumbers, Chief Executive of the R&A and Chairman of the Championship Committee Clive Brown during a press conference REUTERS/Ian Walton

Golf - The 148th Open Championship - Royal Portrush Golf Club, Portrush, Northern Ireland - July 17, 2019 Martin Slumbers, Chief Executive of the R&A during a press conference REUTERS/Ian Walton

Golf - The 148th Open Championship - Royal Portrush Golf Club, Portrush, Northern Ireland - July 17, 2019 Martin Slumbers, Chief Executive of the R&A during a press conference REUTERS/Ian Walton

Golf - The 148th Open Championship - Royal Portrush Golf Club, Portrush, Northern Ireland - July 17, 2019 Johnnie Cole-Hamilton, Executive Director, Championships at The R&A with Martin Slumbers, Chief Executive of the R&A during a press conference REUTERS/Ian Walton

Golf - The 148th Open Championship - Royal Portrush Golf Club, Portrush, Northern Ireland - July 17, 2019 Johnnie Cole-Hamilton, Executive Director, Championships at The R&A with Martin Slumbers, Chief Executive of the R&A during a press conference REUTERS/Ian Walton

Golf - The 148th Open Championship - Royal Portrush Golf Club, Portrush, Northern Ireland - July 17, 2019 Martin Slumbers, Cheif Executive of the R&A during a press conference REUTERS/Ian Walton

Golf - The 148th Open Championship - Royal Portrush Golf Club, Portrush, Northern Ireland - July 17, 2019 Martin Slumbers, Cheif Executive of the R&A during a press conference REUTERS/Ian Walton

Golf - The 148th Open Championship - Royal Portrush Golf Club, Portrush, Northern Ireland - July 17, 2019 Martin Slumbers, Cheif Executive of the R&A during a press conference REUTERS/Ian Walton

Golf - The 148th Open Championship - Royal Portrush Golf Club, Portrush, Northern Ireland - July 17, 2019 Martin Slumbers, Cheif Executive of the R&A during a press conference REUTERS/Ian Walton

Female koala bear Maisy sleeps as it is shown to the public for the first time on a tree in an enclosure at the zoo in Zurich, July 17, 2019. REUTERS/Arnd Wiegmann

Jul 15, 2019; Portrush, County Antrim, IRL; Martin Slumbers, Chief Executive of the R&A, left, receives the Claret Jug from 2018 Champion Francesco Molinari during a presentation before a practice round of The Open Championship golf tournament at Royal Portrush Golf Club - Dunluce Course. Mandatory Credit: Thomas J. Russo-USA TODAY Sports

Jul 15, 2019; Portrush, County Antrim, IRL; Martin Slumbers, Chief Executive of the R&A, left, receives the Claret Jug from 2018 Champion Francesco Molinari during a presentation before a practice round of The Open Championship golf tournament at Royal Portrush Golf Club - Dunluce Course. Mandatory Credit: Thomas J. Russo-USA TODAY Sports

Jul 15, 2019; Portrush, County Antrim, IRL; Martin Slumbers, Chief Executive of the R&A waits to receive the Claret Jug from 2018 Champion Francesco Molinari during a presentation before a practice round of The Open Championship golf tournament at Royal Portrush Golf Club - Dunluce Course. Mandatory Credit: Thomas J. Russo-USA TODAY Sports

Jul 15, 2019; Portrush, County Antrim, IRL; Martin Slumbers, Chief Executive of the R&A, left, receives the Claret Jug from 2018 Champion Francesco Molinari during a presentation before a practice round of The Open Championship golf tournament at Royal Portrush Golf Club - Dunluce Course. Mandatory Credit: Thomas J. Russo-USA TODAY Sports

Jul 15, 2019; Portrush, County Antrim, IRL; Martin Slumbers, Chief Executive of the R&A, left, receives the Claret Jug from 2018 Champion Francesco Molinari during a presentation before a practice round of The Open Championship golf tournament at Royal Portrush Golf Club - Dunluce Course. Mandatory Credit: Thomas J. Russo-USA TODAY Sports

Jul 15, 2019; Portrush, County Antrim, IRL; Martin Slumbers, Chief Executive of the R&A, left, receives the Claret Jug from 2018 Champion Francesco Molinari during a presentation before a practice round of The Open Championship golf tournament at Royal Portrush Golf Club - Dunluce Course. Mandatory Credit: Thomas J. Russo-USA TODAY Sports

Jul 15, 2019; Portrush, County Antrim, IRL; Martin Slumbers, Chief Executive of the R&A, left, receives the Claret Jug from 2018 Champion Francesco Molinari during a presentation before a practice round of The Open Championship golf tournament at Royal Portrush Golf Club - Dunluce Course. Mandatory Credit: Thomas J. Russo-USA TODAY Sports

Golf - The 148th Open Championship - Royal Portrush Golf Club, Portrush, Northern Ireland - July 15, 2019 Italy's Francesco Molinari hands the Claret Jug over to Martin Slumbers, Chief Executive of the R&A REUTERS/Paul Childs

Golf - The 148th Open Championship - Royal Portrush Golf Club, Portrush, Northern Ireland - July 15, 2019 Italy's Francesco Molinari hands the Claret Jug over to Martin Slumbers, Cheif Executive of the R&A REUTERS/Paul Childs

Golf - The 148th Open Championship - Royal Portrush Golf Club, Portrush, Northern Ireland - July 15, 2019 Italy's Francesco Molinari hands the Claret Jug over to Martin Slumbers, Cheif Executive of the R&A REUTERS/Paul Childs

Golf - The 148th Open Championship - Royal Portrush Golf Club, Portrush, Northern Ireland - July 15, 2019 Italy's Francesco Molinari hands the Claret Jug over to Martin Slumbers, Cheif Executive of the R&A REUTERS/Paul Childs

Golf - The 148th Open Championship - Royal Portrush Golf Club, Portrush, Northern Ireland - July 15, 2019 Italy's Francesco Molinari hands the Claret Jug over to Martin Slumbers, Cheif Executive of the R&A REUTERS/Paul Childs

Golf - The 148th Open Championship - Royal Portrush Golf Club, Portrush, Northern Ireland - July 15, 2019 Italy's Francesco Molinari hands the Claret Jug over to Martin Slumbers, Cheif Executive of the R&A REUTERS/Paul Childs

Golf - The 148th Open Championship - Royal Portrush Golf Club, Portrush, Northern Ireland - July 15, 2019 Italy's Francesco Molinari hands the Claret Jug over to Martin Slumbers, Cheif Executive of the R&A REUTERS/Paul Childs

Golf - The 148th Open Championship - Royal Portrush Golf Club, Portrush, Northern Ireland - July 15, 2019 Italy's Francesco Molinari hands the Claret Jug over to Martin Slumbers, Cheif Executive of the R&A REUTERS/Paul Childs

A man belonging to a caravan of migrants from Honduras en route to the United States, sleeps next to charging mobile phones, at the Miguel Hidalgo Central Park in Tapachula, Mexico April 14, 2019. REUTERS/Jose Cabezas TPX IMAGES OF THE DAY

People belonging to a caravan of migrants from Honduras en route to the United States, sleep at the Central Park of Tapachula, Mexico, April 13, 2019. REUTERS/Jose Cabezas

Kira, a 23-year-old western lowland gorilla, holds her newborn baby in its enclosure at the Moscow Zoo in Moscow, Russia November 21, 2018. REUTERS/Shamil Zhumatov

A man lies in a doorway as a child sleeps in a baby basket called 'bilum' in a stilt house at Hanuabada Village, located in Port Moresby Harbour, Papua New Guinea, November 19, 2018. Picture taken November 19, 2018. REUTERS/David Gray

A man takes a rest while waiting for customers at luna park at recently opened international fair in Damascus, Syria, September 12, 2018. REUTERS/Marko Djurica/File photo SEARCH "SYRIA LIFE" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A visitor rests during the opening day of the 185th Oktoberfest in Munich, Germany September 22, 2018. REUTERS/Andreas Gebert

A man takes a rest while waiting for customers at luna park in Damascus, Syria, September 12, 2018. Picture taken September 12, 2018. REUTERS/Marko Djurica

A cat sleeps inside a coffee shop in downtown Belgrade, Serbia September 6, 2018. REUTERS/Marko Djurica

Cats sleep in the village of Krompach near the town of Cvikov, Czech Republic, August 26, 2018. REUTERS/David W Cerny TPX IMAGES OF THE DAY

Cats sleep in the village of Krompach near the town of Cvikov, Czech Republic, August 26, 2018. REUTERS/David W Cerny

A three week old Manx Shearwater chick sits in the hands of a researcher on the island of Skomer, Pembrokeshire, Wales, Britain July 24, 2018. Picture taken July 24, 2018. REUTERS/Rebecca Naden

A man sleeps outdoors in the port city of Massawa, Eritrea July 22, 2018. Picture taken July 22, 2018. REUTERS/Tiksa Negeri

Golf - The 147th Open Championship - Carnoustie, Britain - July 18, 2018 Martin Slumbers CEO of The R&A during a new conference REUTERS/Paul Childs

Golf - The 147th Open Championship - Carnoustie, Britain - July 18, 2018 Martin Slumbers CEO of The R&A during a new conference REUTERS/Paul Childs

Golf - The 147th Open Championship - Carnoustie, Britain - July 18, 2018 Martin Slumbers CEO of The R&A during a new conference REUTERS/Paul Childs

Golf - The 147th Open Championship - Carnoustie, Britain - July 16, 2018 Jordan Spieth of the U.S. talks with R&A Chief Executive Martin Slumbers after handing back the Claret Jug trophy REUTERS/Paul Childs

Golf - The 147th Open Championship - Carnoustie, Britain - July 16, 2018 Jordan Spieth of the U.S. shakes hands with R&A Chief Executive Martin Slumbers as he hands back the Claret Jug trophy REUTERS/Paul Childs

Revelers slumber on the fourth and final day of the Firefly Music Festival in Dover, Delaware U.S., June 17, 2018. Picture taken June 17, 2018.REUTERS/Mark Makela

Revelers slumber in front of acts staring at the main concert stage on the fourth and final day of the Firefly Music Festival in Dover, Delaware U.S., June 17, 2018. REUTERS/Mark Makela

A revelers wearing a t-shirt stating "BEST DAD EVER" slumbers on Father's Day on the fourth and final day of the Firefly Music Festival in Dover, Delaware U.S., June 17, 2018. REUTERS/Mark Makela

Revelers slumber on an inflatable chair on the third day of the Firefly Music Festival in Dover, Delaware, U.S., June 16, 2018. Picture taken June 16, 2018. REUTERS/Mark Makela

Revelers slumber in front of the main concert stage on the third day of the Firefly Music Festival in Dover, Delaware U.S., June 16, 2018. REUTERS/Mark Makela

Revelers slumber on an inflatable chair in front of a T-Rex toy on the third day of the Firefly Music Festival in Dover, Delaware U.S., June 16, 2018. REUTERS/Mark Makela

Concert goers slumber on the second day of the Firefly Music Festival in Dover, Delaware, U.S., June 15, 2018. Picture taken June 15, 2018. REUTERS/Mark Makela

A couple slumbers in a hammock on the second day of the Firefly Music Festival in Dover, Delaware U.S., June 15, 2018. Picture taken June 15, 2018 REUTERS/Mark Makela

Revelers slumber in hammocks on the second day of the Firefly Music Festival in Dover, Delaware U.S., June 15, 2018. REUTERS/Mark Makela

A worker sleeps at a wholesale market in Mumbai, India, June 14, 2018. REUTERS/Francis Mascarenhas

A Syrian refugee girl from Afrin, who crossed the Evros river, the natural border between Greece and Turkey, sleeps on a bench at the train station of the city of Orestiada, Greece, April 30, 2018. REUTERS/Alkis Konstantinidis SEARCH "EVROS MIGRANTS" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Displaced Filipinos sleep at the hallway of the evacuation center after Mount Mayon volcano flows lava fountains and ash flumes in Legazpi city, Albay province, south of Manila, Philippines January 27, 2018. REUTERS/Romeo Ranoco

A man sleeps inside a McDonald's restaurant at midnight hours at Tsim Sha Tsui district in Hong Kong, China January 23, 2018. Picture taken January 23, 2018. REUTERS/Bobby Yip