The solar-powered Solar Impulse airplane built by a Swiss concern, having flown successfully from Madrid to Rabat, has just completed a flight over the Moroccan countryside that included having to get above the Atlas mountains:
This video on the earlier Europe-to-Africa passage shows the plane in flight:
I like flying, but am aware that the hydrocarbon version is deadly to the environment and probably unsustainable as petroleum prices will rise again once the world economy improves. The Solar Impulse is the future.