21:25
Cette CLIMATISATION GÉANTE refroidit les gratte-ciel de Lyon
41:42
This is the world's first TIDE POWER PLANT, and it's French!
28:57
Zwischen Deutschland und Dänemark: Mega-Baustelle Fehmarnbelttunnel | Die Nordreportage | NDR Doku
45:08
She is designing a MICRO hydroelectric power plant in the middle of the mountains!
37:23