Ultra-Orthodox Jews inspect etrogs, or citrons, inside a shop in the Mea Shearim neighbourhood in Jerusalem, 07 October 2014, as they look to purchase an unblemished fruit ahead of the holiday of Sukkot. (Photo by Jim Hollander/EPA)

Girls look at a newly installed “Renew” media point in the City of London on January 26, 2012 in London, England. The “pods” will transmit each market day and will include breaking news, weather and travel information, and information about sport, fashion, the arts and entertainment. The stations which will also double as recycling points are run by media company Renew. (Photo by Dan Kitwood/Getty Images)

Visitors look at an installation by Olaf Metzel at the exhibition “ARTandPRESS” at Martin Gropius Bau on March 26, 2012 in Berlin, Germany. The exhibition shows works by artists who have interpreted the medium of newspapers and is open from March 23 to June 24. (Photo by Sean Gallup/Getty Images)

Khan, a five-year-old male White Bengal tiger, looks on inside an open-air cage at the Royev Ruchey zoo in Krasnoyarsk, Russia, October 21, 2016. (Photo by Ilya Naymushin/Reuters)

A Syrian boy looks through a gate as others wait to cross into Syria at Oncupinar border crossing in the southeastern city of Kilis, Turkey February 11, 2016.. (Photo by Osman Orsal/Reuters)

A garbage collector looks for recyclable waste at a dump in Erbil, in Iraq's northern autonomous Kurdistan region, February 21, 2016. (Photo by Azad Lashkari/Reuters)

This restroom on the rubbly flanks of Jonsknuten in Norway looks up at the peak of the 904m mountain. Yu have to leave the door open to enjoy the view but the chances of being disturbed are minimal. (Photo by Olaf Menz/Lonely Planet)

A boat sails behind a woman looking through binoculars as she sits on a cliff on a sunny day in Sydney, Australia, May 29, 2016. (Photo by David Gray/Reuters)