Two men look at the sea while taking part in the annual New Year's dive into the North Sea in Scheveningen, Netherlands on January 1, 2020. (Photo by Piroschka van de Wouw/Reuters)

Prospective flight attendants listen to their instructor during an etiquette training course at Indigo Airlines' Ifly training centre in Gurgaon on the outskirts of New Delhi November 18, 2014. (Photo by Adnan Abidi/Reuters)

Show hosts Anna Faris (L) and Allison Janney dance on stage during the 2015 People's Choice Awards in Los Angeles, California January 7, 2015. (Photo by Mario Anzuoni/Reuters)

A passenger without pants waits for the subway train during “The No Pants Subway Ride” in Mexico City January 11, 2015. The event, the fifth organized in Mexico, is an annual flash mob and occurs in different cities around the world, according to its organisers. (Photo by Edgard Garrido/Reuters)

A model applies lipstick backstage during the “We Love Flamenco” fashion show in the Andalusian capital of Seville January 14, 2015. The show will run until January 18. (Photo by Marcelo del Pozo/Reuters)

A visitor poses for a photograph in front of a 3D painting depicting a Japanese Imperial army soldier at a 3D art gallery in Beijing January 16, 2015. (Photo by Kim Kyung-Hoon/Reuters)

A swimmer competes during the UK Cold Water Swimming Championships at Tooting Bec Lido in south London January 24, 2015. (Photo by Luke MacGregor/Reuters)

Men eat oranges from a push cart along a road as a vehicle travels past them in Karachi January 22, 2015. (Photo by Akhtar Soomro/Reuters)