Alan Wilson, Director of James Ritchie & Son clockmakers, founded in 1809, adjusts a clock face at the Cannongate Tobooth to British Summer Time on March 21, 2012 in Edinburgh, Scotland. The Tolbooth, built in 1591, was where tolls and public dues were collected. The clock face dates back to 1820 and replaced an earlier clock from the 17th Century. Clocks will be put forward by one hour on Sunday March 25, 2012 at 1.00am and British Summer Time (BST) will officially start. (Photo by Jeff J. Mitchell/Getty Images)

An Israeli jail authority officer escorts a prison van containing Palestinian prisoners as it enters Hasharon jail on October 16, 2011 in Tel Mond, Israel. IDF soldier Gilad Shalit is to be freed from 5 years of captivity in Gaza in an exchange deal which will see the release of 477 Palestinian prisoners in an initial deal with another 550 to freed after the return of Shalit. (Photo by Uriel Sinai/Getty Images)

Artists preform on a pool suspended above the audience during the Fuerza Bruta dress rehearsal on February 1, 2012 in Tel Aviv, Israel. (Photo by Uriel Sinai/Getty Images)

Wise Guys & Die Klasse der Auszubildenden zum Forstwirt der Lehranstalt für Forstwirtschaft in Bad Segeberg – Sägewerk Bad Segeberg

Conjoined twins Angelica (C) and Angelina Sabuco (L) play with child life specialist Allison Brooks during a press conference at the Lucile Packard Children's Hospital at Stanford on October 31, 2011 in Palo Alto, California. Two year-old conjoined twins Angelica and Angelina Subaco who are connected at the chest and abdomen are preparing for separation surgery by Dr. Gary Hartman. The surgery will last between 6 and 8 hours that is followed by three hours of reconstructive surgery for each girl. (Photo by Justin Sullivan/Getty Images)

Jonathon Seed, Joint Master and Huntsman with the Avon Vale Hunt, leads the hounds and fellow riders for their traditional Boxing Day hunt, on December 26, 2011 in Lacock, England. (Photo by Matt Cardy/Getty Images)

A young man with the date 25 painted on his face, gives the victory sign in Tahir Square ahead of the first anniversary of the revolution on January 24, 2012 in Cairo, Egypt. (Photo by Jeff J Mitchell/Getty Images)

A woman is cooled down with a watering can as she sunbathes using insulating tape, at a beauty center in Belo Horizonte, Brazil, on December 21, 2017. Brazilian women take advantage of the beginning of the summer to sunbathe using the new national trend: natural tanning with insulating tape. Instead of using tiny bikinis on the beach, women avoid being bothered or stalked by getting taped in the shape of them, and lay in the sun over rooftops to enjoy the morning sun and get the perfect “marquinha” tan lines. (Photo by Douglas Magno/AFP Photo)