The Solar Impulse 2 on a test flight
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Solar plane prepares for record attempt

A solar powered plane is expected to begin the first ever round the world trip of its kind on Monday.

Solar Impulse Two - which has a bigger wingspan than a Boeing 747 and weighs only as much as a car - is the brainchild of Swiss explorers Bertrand Picard and Andre Borschberg.

The BBC's Mark Lobel reports from Abu Dhabi

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