A girl in a vamire costume poses for pictures during the traditional park picnic on the first day of the annual Wave-Gotik Treffen, or Wave and Goth Festival, on May 17, 2013 in Leipzig, Germany. The four-day festival, in which elaborate fashion is a must, brings together over 20,000 Wave, Goth and steam punk enthusiasts from all over the world for concerts, readings, films, a Middle Ages market and workshops. (Photo by Marco Prosch)

An undated archive picture shows a dog pulling a Belgian machine gun at an unknown location in northern France. A Viscount in the Armoured Cavalry Branch of the French Army left behind a collection of hundreds of glass plates taken during World War One (WWI) that have never before been published. The images, by an unknown photographer, show the daily life of soldiers in the trenches, destruction of towns and military leaders. The year 2014 marks the 100th anniversary of the start of WWI. (Photo by Collection Odette Carrez/Reuters)

The spectacular sequence shows the divers reaching out and even petting the 1,000-pound predators as the inquisitive beasts happily pose for the camera. Other pictures show the sharks appearing to swim with the divers as they move towards the water’s surface. The photographs were taken at Tiger Beach, Grand Bahama by photographer, Steve Hinczynski (49) from Venice, Florida, USA. To take his images Steve used a Canon 7D Mark II camera equipped with Ikelite underwater housing. (Photo by Steve Hinczynski/Mediadrumworld)

Seals dressed in military uniforms swim during a show marking the 70th anniversary of the end of World War Two, at an aquatic park in the Siberian city of Irkutsk, Russia, May 9, 2015. (Photo by Evgeny Kozyrev/Reuters)

A model wears a floral head dress as she promotes a chain of garden centres at the Royal Horticultural Soceity's Chelsea Flower Show in London, Britain, May 18, 2015. (Photo by Toby Melville/Reuters)

Hungarian Puli sheep dog, Fee, jumps over a hurdle during a preview for a pedigree dog show in Dortmund on Thursday April 24, 2008. (Photo by Frank Augstein/AP Photo)

This combination picture shows some revellers wearing masks while dressed as “Botargas” during carnival celebrations in Almiruete, Spain, February 25, 2017. (Photo by Sergio Perez/Reuters)

An exterior view of Rauceby, an abandoned mental asylum in Lincolnshire, UK. These haunting photos show the collapsing remains of a derelict mental asylum. The pictures show the ruined former hospital building and chapel, now covered in dust and graffiti. Few signs remain that reveal the site as a former home of mentally ill adults and children. (Photo by Simon Robson/Caters News)