Solar Impulse 2 on Tuesday completed its historic round-the-world journey, becoming the first airplane to circle the globe powered only by the sun to promote renewable energy.
The first solar-powered plane to circle the world took off from Cairo on Sunday for Abu Dhabi, in the final leg of its journey.
The Solar Impulse 2 landed in Cairo on Wednesday for the penultimate stop in the solar-powered plane's world tour, two days after setting off from Spain.
The experimental Solar Impulse 2 plane landed in Spain on Thursday morning, an AFP correspondent said, after completing a 70-hour journey from New York powered only by sunlight.
The sun-powered Solar Impulse 2 aircraft set off from New York's JFK airport early Monday, embarking on the transatlantic leg of its record-breaking flight around the world to promote renewable energy.
The Solar Impulse 2 aircraft flew by the Statue of Liberty early Saturday, near the end of the US portion of its bid to circle the globe using only solar power.
An experimental, solar-powered aircraft took off from Tulsa in Oklahoma early Saturday, kicking off the latest phase of its record-breaking quest to circle the globe without consuming a drop of fuel.