In this handout photo provided by the Helmholtz Center for Research on Infectious Diseases an EHEC bacteria is visible on May 30, 2011 in Berlin, Germany. German health authorities have attributed at least 14 deaths within the last two weeks to an outbreak of enterohemorrhagic E. coli, also known as the EHEC bacteria. (Photo Courtesay Manfred Rohde, Helmholtz-Zentrum fuer Infektionsforschung (HZI)/Getty Images)

Masaaki Nagumo controls the Land Walker robot at Sakakibara Kikai Co., Ltd Headquarters on May 12, 2005 in Maebashi, Japan. The two legged robot stands at 3.4 metres high and weighs 1000kg. The Land Walker is available to buy for 36,000,000 yen (approximately US $340,000). Masaaki Nagumo developed Land Walker on the basis of the dream he has had in his childhood that enables a person to go on. (Photo by Koichi Kamoshida/Getty Images)

Ten day old male Gorilla “Fataki” clings to his mother “Frala” during his media debut at Taronga Zoo June 4, 2003 in Sydney, Australia. Fataki was born on May 24, 2003 and was the fourth Gorilla to be born at Taronga Zoo since the opening of the Gorilla Forest in 1997. (Photo by Chris McGrath/Getty Images)

Decorative model Elephants stand in Trafalgar Square on May 4, 2010 in London, England. 260 of the decorative life size baby Elephants have been designed by established and emerging artists including Paul Smith, Marc Quinn and Julien Macdonald and have been placed across the capital in prominent places such as Buckingham Palace, Parliament Square and Trafalgar Square. (Photo by Dan Kitwood/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)

Actress Arta Dobroshi poses at the “Trois Mondes” photocall during the 65th Annual Cannes Film Festival at Palais des Festivals on May 25, 2012 in Cannes, France. (Photo by Andrew H. Walker)

No. 10: Sphynx. A suede-like coat is the sphynx's most unmistakable feature, but he's also curious, smart and a clown who craves applause for his antics. In fact, he loves attention so much that you may want to consider getting him a fellow sphynx playmate. (Photo by Quentin Descotte)

A contestant walks the runway during 2017 Miss Great Britain competition at the Mayfair A-list venue DSTRKT on May 11, 2017 in London, England. The pageant hopefuls were battling it out to represent Miss Central London. Miss Great Britain is a female beauty pageant. It is the oldest pageant in the UK, established in 1945. Following World War Two, a number of seaside resorts around the country introduced beauty contests as attractions. (Photo by Jules Annan/Barcroft Images)