Solar Impulse 2 cruised at altitudes of up to 9,000 metres and at an average speed of between 45 and 90 km per hour.
The world's only 'zero-fuel' aircraft 'Solar Impulse-2' on Wednesday landed in Varanasi for an overnight stopover after its pilot held the Ahmedababd 'administration' responsible for the delay in departure from the city for want of customs and immigration clearance.
World's only solar-powered aircraft will make a stop over in Ahmedabad.
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