In this artist's impression supplied by the ESO (European Southern Observatory) on April 25, 2007, the planetary system around the red dwarf, Gliese 581, is pictured showing what astronomers believe is the most earth like planet found outside our solar system to date. Using the ESO 3.6-m telescope in Chile, astronomers have uncovered the planet which could have water running on its surface. The planet orbits the faint star Gliese 581, which is 20.5 light-years away in the constellation Libra. (Photo by ESO via Getty Images)

Heavy equipment works along the still under construction Bamiyan-Yakawlang road June 10, 2011 in Yakawlang, Afghanistan. The 69 Million US$ project is supported by the Government of Japan and World Bank. The 90K road project was started three years ago and is slated to be finished within another year. This new road means faster travel from Bamiyan to Afghanistan's only national park, Band-e-Amir. This is in of the safest parts of the country and the hope is to expand tourism in the region. (Photo by Paula Bronstein/Getty Images)

“A guide horse is an experimental mobility option for blind people who do not wish to or cannot use a guide dog. They are provided by The Guide Horse Foundation, founded in 1999 to provide miniature horses as assistance animals to blind users living in rural environments”. – Wikipedia

Photo: Shari Bernstiel, of Lansdale, Pennsylvania is helped along the sidewalk by Tonto, her guide horse March 19, 2004 in Lansdale, Pennsylvania. Tonto, a minature horse who went through one year of training, acts as Sheri's seeing eye dog and is one of three working guide horses in the United States. (Photo by William Thomas Cain/Getty Images)

A girl looks up at the trophy she won after competing in a child beauty pageant at Northcote Town Hall on July 30, 2011 in Melbourne, Australia. The controversial child beauty competition, kicked off today in Melbourne despite complaints and demonstrations by pageant opponents. Organised by the US-based pageant company that produces reality TV show “Toddlers and Tiaras”, Australian contestants will have the opportunity to pose with the reality show star, six year-old Eden Wood. (Photo by Scott Barbour/Getty Images)

Artist Princess Tarinan von Anhalt throws paint into the flow of air coming from the engine of Flexjet’s Learjet 40 XR engine to create a painting on a canvas at Signature Flight Support in West Palm Beach, Florida. The artist associated with the Jet Art Group used the help of Flexjet and their plane to spray paint on a canvas to create distinctive paintings to celebrate the 50th anniversary of Learjet. (Photo by Thomas Cordy/The Palm Beach Post)

Visitors to the Nightmare Fears Factory in Niagara Falls, Canada, are obliged to navigate their way round the supposedly haunted building in total darkness while live actors jump out of them. The Nightmare Fears Factory team have been using hidden cameras to take pictures of their guests' terrified reactions, which they've then posted on the company's Facebook page. And it turns out they're all pretty funny. (Photo by Nightmare Fears Factory)