Ange Halle:
2010 The solar airplane took off on its first "real" trial flight / Energissima 2009, seen at the fair
Ange Halle:
Energisssima 2009, seen at the fair
Ange Halle:
Energissima 2009, seen at the fair
Ange Halle:
Energissima 2009, seen at the fair
Ange Halle:
Bertrand Piccard talks about Solar Impulse being developed in Duebendorf, Zurich
Ange Halle:
Solar airplane ? - European Sustainable Energy Forum
Ange Halle:
Around the world in a hot-air baloon - European Sustainable Energy Forum
Ange Halle:
Some of the old photostream view can be refound