![Three paragliders cruise on thermal currents high in a deep blue July sky over a jagged ridge in the Urner Alps rising above the 7.65 km (4.75 mi) Rhône Glacier in Valais Three paragliders cruise on thermal currents high in a deep blue July sky over a jagged ridge in the Urner Alps rising above the 7.65 km (4.75 mi) Rhône Glacier in Valais](https://c8.alamy.com/comp/2CEG910/three-paragliders-cruise-on-thermal-currents-high-in-a-deep-blue-july-sky-over-a-jagged-ridge-in-the-urner-alps-rising-above-the-765-km-475-mi-rhne-glacier-in-valais-canton-switzerland-a-fourth-solo-aviator-skims-its-rugged-surface-the-glacier-ice-melts-at-an-altitude-of-about-2208-m-or-7244-feet-with-the-melt-water-cascading-into-a-deep-valley-basin-far-below-to-begin-the-river-rhnes-813-km-505-mi-journey-to-the-mediterranean-sea-via-southern-france-and-the-camargue-delta-2CEG910.jpg)
Three paragliders cruise on thermal currents high in a deep blue July sky over a jagged ridge in the Urner Alps rising above the 7.65 km (4.75 mi) Rhône Glacier in Valais
![Project instigator and pilot Raphael Domjan reacts after a test flight of the SolarStratos aircraft, a solar-powered two-seater aircraft with a mission to fly some 24,000 meters (over 78,000 feet) above earth Project instigator and pilot Raphael Domjan reacts after a test flight of the SolarStratos aircraft, a solar-powered two-seater aircraft with a mission to fly some 24,000 meters (over 78,000 feet) above earth](https://c8.alamy.com/comp/2CJ5MXK/project-instigator-and-pilot-raphael-domjan-reacts-after-a-test-flight-of-the-solarstratos-aircraft-a-solar-powered-two-seater-aircraft-with-a-mission-to-fly-some-24000-meters-over-78000-feet-above-earth-set-to-take-place-in-2018-in-payerne-switzerland-may-5-2017-reutersdenis-balibouse-2CJ5MXK.jpg)
Project instigator and pilot Raphael Domjan reacts after a test flight of the SolarStratos aircraft, a solar-powered two-seater aircraft with a mission to fly some 24,000 meters (over 78,000 feet) above earth
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