25 July 2016 – United Nations Secretary-General, Ban Ki-moon has hailed the determination and courage of the Solar Impulse team as the aircraft completes is around-the-world, solar-powered journey.

which is the world’s largest solar thermal power plant currently in operation. The Alimak machines, which have a payload of 3,200kg (7,100 lbs) and a lifting height of 140m, provided efficient ...