Havilland Mosquito KA 114 performs a low pass during an airshow commemorating the completion of its rebuild on September 29, 2012 in Ardmore, New Zealand. The plane was restored by Warbird Restorations at Ardmore Aerodrome and is the only flying Mosquito in the world. (Photo by Simon Watts)

Zombie enthiusiasts gather near the broadcast tower at Alexanderplatz before setting out on a “Zombie Walk” in the city center on October 27, 2012 in Berlin, Germany. Approximately 150 zombies, who had organized themselves through Facebook, walked and limped across Alexanderplatz, growled and moaned at passersby and performed their jerking dances. (Photo by Sean Gallup)

The Smilovichi Felting Factory in Belarus was founded in 1928, when Smilovichi was a small Jewish settlement of craftsmen. Five of those craftsmen organized a small artel (a cooperative association of craftsmen who all live and work together), which produced warm boots called “valenki” for cold weather. Photo: Belarusian workers works at a felt boot factory in Smilovichi, some 35km from Minsk, Belarus, 16 January 2012. (Photo by Tatyana Zenkovich/EPA)

In 2013, the United Nations General Assembly officially designated November 19 as World Toilet Day, which is coordinated by UN-Water in collaboration with governments and partners. Here: An open-air toilet and a hot spring shower are seen in the middle of nowhere on the road to the Krafla geothermal power station and lava fields, near Reykjahlid and Lake Myvatn in northeastern Iceland, on August 19, 2012. (Photo by Mariana Suarez/AFP Photo)

Fireworks light the morning sky March 6, 2012 as the Disney Fantasy, the newest Disney Cruise Line ship, arrives in her home port of Port Canaveral, Florida after traveling nearly 4,700 miles across the Atlantic Ocean from Bremerhaven, Germany. The 4,000-passenger Disney Fantasy will welcome guests on her maiden voyage on March 31, 2012, sailing seven-night cruises to the Caribbean and Disney's private island Castaway Cay, from Port Canaveral. (Photo by Todd Anderson/Disney Parks via Getty Images)

In this handout image provided by the Police of Swiss canton Valais the wreckage of a bus is seen after it crashed inside a motorway tunnel on March 13, 2012 in Sierre, Switzerland. 28 people, including 22 children, returning from a skiing holiday died in this bus accident. (Photo by Police Cantonale Valaisanne via Getty Images)

In spring sunsunshine the “Out of Sync” art installation is unveiled on a grass meadow at Somerset House on March 15, 2012 in London, England. Chilean artist Fernando Casasempere hand crafted the 10,000 clay flowers that dominate the Edmond J. Safra Fountain Court. The installation is open to the public at Somerset House from March 16th to April 27th 2012. (Photo by Peter Macdiarmid/Getty Images for Somerset House Trust)