Switzerland in an amazing feat of aeronautical engineering developed a long range environmentally friendly solar powered aircraft. Solar Impulse is a Swiss .br A plane powered solely by the sun has begun an unprecedented round-the- world flight after taking off from a runway in Abu Dhabi on Monday. The aim of the .br The first attempt to fly around the world in a plane using only solar power launches in Abu Dhabi in a landmark journey aimed at promoting green energy.br Music from the album: The Sacred Feminine Voices of Bhutan by Kutira & Raphael, Information and donation .