A worker fills a public bus with diesel as the bus driver and passengers look on, at a fuel station in Kolkata, India, February 1, 2017. (Photo by Rupak De Chowdhuri/Reuters)

A vendor prepares paan, a betel nut-based chewable stimulant at a flower market in Kolkata, India, January 18, 2016. (Photo by Rupak De Chowdhuri/Reuters)

Lítla Dímun is a small island between the islands of Suðuroy and Stóra Dímun in the Faroe Islands of Denmark. It is the smallest of the main 18 islands, being less than 100 hectares (250 acres) in area, and is the only uninhabited one. The island can be seen from the villages Hvalba and Sandvík.

98-year-old beggar, the grandfather of the Bulgarian village of Dobri Bail, wearing homespun clothes and old leather shoes he wears in winter and summer, often standing at the Cathedral of St. Alexander Nevsky Cathedral in Sofia. Every day he gets up early and runs 10 kilometers from their village Bail to the Bulgarian capital.

The “Naked Cowboy” plays his guitar in Times Square on March 23, 2012 in New York City. A recent study found that the Times Square district contributes up to 10% of all jobs in the city and is responsible for approximately 11% of economic activity. (Photo by Andrew Burton/Getty Images)

A baby Asian elephant, born only two days before, stands next to his mother Nova in its enclosure at Tierpark Berlin Zoo on May 10, 2012 in Berlin, Germany. The male elephant calf, who does not have a name yet, weighs 102kg and is 91cm tall. (Photo by Timur Emek/dapd/Sean Gallup)

Members of Hashid Shaabi or Popular Mobilization Forces (PMF) fire towards Islamic State militant positions in west of Mosul, Iraq, December 28, 2016. (Photo by Reuters/Stringer)