GIZA, EYGPT - JULY 13: In this handout image supplied by Jean Revillard, Solar Impulse 2, the solar powered plane, piloted by Swiss pioneer Andre Borschberg is seen during the fly over the pyramids prior to landing in Cairo on 13 July, 2016 in Giza, Eygpt. The 16th leg of the round-the-world-trip from Seville in Spain covered a disdance of 3700 kilometers and took almost 49 hours. The Solar Impulse 2 is equipped with 17,000 solar cells, has a wingspan of 72 metres, and yet weighs just over 2 tonnes. (Photo by Jean Revillard/Solar Impulse2 via Getty Images)
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