The sun trip : a technological adventure

Photovoltaik
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#1

https://www.thesuntrip.com

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#2

On a 12 000 km route crossing 10 countries, the Sun Trip 2018 will ride along the New Silk Roads from Lyon to Canton (Guangzhou), the cities being respectively the second- and the third-biggest cities of France and China.

https://www.youtube.com/watch?v=EHrrLx0Omrw

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P7170976
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#4

Un contrôleur de vélo électrique qui fait 10g !!!