ahlam1399
07-26-2016, 04:32 PM
"This is **t only a first in the history of aviation; it's before all a first in the history of energy," Swiss pilot Bertrand Piccard says. His plane flew more than 26,700 miles without using fuel.
أكثر... (http://www.npr.org/sections/thetwo-way/2016/07/26/487458905/sun-powered-airplane-completes-historic-trip-around-the-world?utm_medium=RSS&utm_campaign=news)
أكثر... (http://www.npr.org/sections/thetwo-way/2016/07/26/487458905/sun-powered-airplane-completes-historic-trip-around-the-world?utm_medium=RSS&utm_campaign=news)