Insider #5: Bernhard Trenkle

846 views · Published 17 December 2013 · 1:21 · Indexed 6 November 2026

Channel: SOLAR IMPULSE · 2013 · Science & Technology

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Who is Bernhard Trenkel, helping Bertrand Piccard doing Hypnosis?

"DIYed" by Solar Impulse's communication team

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