http://www.ananova.com/news/story/sm_1435332.html
Upside down hot air balloon
A British designed hot air balloon that flies upside down was the star attraction in Germany at the weekend.
A British designed balloon that flies upside down was the star attraction in Germany at the weekend /Europics
Bristol-based Cameron Balloons designed the upturned balloon for pneumatics and automation company Festo which flew it near Berlin.
Cameron Balloons spokeswoman Hannah Cameron said: "We made two balloons that looked the same, but one was upside down and the other the right way up.
A British-designed upside down hot air balloon has been making waves in Germany /Europics
"They do cause people to do a double take when they spot them drifting along together. The firm wanted something different and this really does make people look.
"It was a tall order, though, in a lot of ways, for example the basket at the top is fake, and there is a real basket underneath, which is hidden by a special skirt that can be lifted as the pilot comes in to land."