Emily Hasler, an English Heritage employee at Charles Darwin's home, Down House, cleans a rabbit bone in his old study on April 2, 2011 in Downe, England. Staff at the house are cleaning and preparing the property ahead of their peak visitor season. The house contains the study where Darwin wrote “On the Origin of Species”, as well as family rooms and an extensive garden that inspired the renowned scientist. (Photo by Oli Scarff/Getty Images)

In this April 28, 2015 file photo, heads of tuna on a cart are carried by a fish dealer after the day's auction at Tsukiji Wholesale Market in Tokyo. In one of the biggest of Japan's many New Year holiday rituals, early on Tuesday, January 5, 2016, Tokyo's Tsukiji market will auction off with much fanfare a huge, glistening tuna, likely destined for one of the big sushi chains. If all goes as planned, it will be the last such auction at 80-year-old Tsukiji. (Photo by Shuji Kajiyama/AP Photo)

荻野目洋子 (Yōko Oginome) – ダンシング・ヒーロー (Dancing Hero (Eat You Up)) New Dance Version

A Palestinian boy herds sheep in front of the ruins of Yasser Arafat International Airport, which was bombed by Israel in the past, in Rafah in the southern Gaza Strip February 5, 2016. Nabil Shurafa's travel agency in Gaza was once packed with clients booking flights to London, Paris, New York or cities across the Arab world. These days, he's lucky if anyone comes in, as so few people can get out. (Photo by Ibraheem Abu Mustafa/Reuters)

A member of the Edo Firemanship Preservation Association balances on top of a bamboo ladder as he performs a ladder stunt during the New Year's fire review conducted by the Tokyo Fire Department at Tokyo Big Sight on January 6, 2009 in Tokyo, Japan. The annual event, featuring various demonstrations of the latest firefighting and emergency rescue techniques, aims to promote the prevention of fire and disaster. (Photo by Kiyoshi Ota/Getty Images)

Grumpy Cat attends the “Grumpy Cat: A Grumpy Book” Book Event at Bookends Bookstore on October 16, 2013 in Ridgewood, New Jersey. (Photo by Michael N. Todaro/WireImage)

A woman enjoys her last alcoholic drink on December 4, 2020 in Cardiff, Wales. Following a firebreak period that ran from October 23 to November 9 the Welsh Government have introduced new rules which will prevent pubs, restaurants and cafes from selling alcohol at any time from 6pm on Friday. The rules will be reviewed on December 17. (Photo by Wales News Service)