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Solar Plane Lands in Egypt on Penultimate Leg of World Tour

Andre Borschberg (R), the Swiss pilot of Solar Impulse 2, is greeted by fellow pilot and countryman Bertrand Piccard after landing at Cairo Airport, Egypt, July 13, 2016.

An airplane powered by energy from the sun arrived Wednesday in Egypt, the penultimate stop on the first fuel-free flight around the globe.

Solar Impulse 2, a spindly single-seat plane, flew over the pyramids to make a smooth landing at Cairo airport at about 7:10 a.m. (0510 GMT), ending a flight leg that lasted 48 hours and 50 minutes.

The plane, which began its journey in Abu Dhabi in March 2015 and is due to end it there, has been piloted in turns by Swiss aviators Andre Borschberg and Bertrand Piccard in a campaign to build support for clean energy technologies.

"Thanks to clean technologies, today you can reconcile economy and ecology ... this was my goal when I started the project," Piccard told Reuters.

Solar Impulse flies without a drop of fuel, its four engines powered solely by energy collected from more than 17,000 solar cells in its wings. Surplus power is stored in batteries during the day to keep the plane aloft on long-distance flights.

The carbon fiber plane, with a wingspan exceeding that of a Boeing 747 and a weight about the same as a family car, is unlikely to set speed records. It can climb to about 8,500 meters (28,000 feet) and cruise at 55 to 100 kph (34 to 62 mph).

The Solar Impulse team will now prepare for the final leg of the journey to United Arab Emirates, they said.

"Explorers have gone everywhere, even to the moon. Now, we need to explore a better quality of life here on Earth," Piccard said.