HARDtalk - Explorer and aviator Bertrand Piccard - ³ÉÈË¿ìÊÖ Sounds

HARDtalk - Explorer and aviator Bertrand Piccard - ³ÉÈË¿ìÊÖ Sounds


Explorer and aviator Bertrand Piccard

What drives some people to push the boundaries of existing knowledge and experience?

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