BBCAMERICA BBC World News March 9, 2015
Hello. A swiss plane has taken off from abu dhabi on the firstever attempt to fly around the world using only the energy of the sun. The Solar Impulse ii could take five months to complete the 12 stages of the flight crisscrossing continents while spreading the word about clean technology. Its a pretty impressive project with some even more impressive figures. Lets show you a two. Two pilots will take it in turns to fly the singleseater plane on the 35,000 kilometer journey. The Solar Impulse ii has a wingspan of 72 meters larger than that of a boeing 747. Built into the wings, more than 17,00...