Bernard and Yann Cauquil’s solar tandem

By stef_bu / 18 April 2018

🇨🇵 Bernard and Yann Cauquil on a test ride without solar panels. What an amazing %100 self-made bike 👏👏 https://t.co/ZCWlsKK63o

— The Sun Trip (@TheSunTrip) 18 avril 2018