Episode 1 : Ressources
[youtube]https://www.youtube.com/watch?v=R5EMy5Lzf6U&list=PL7Zz68Gv4aofFeHZmG3C9WsLC59tbXKiw&index=2&t=0s[/youtube]
Episode 2 : Routes et ports :
[youtube]https://www.youtube.com/watch?v=qgEO86MGwxI[/youtube]
Episode 3 : Navires
[youtube]https://www.youtube.com/watch?v=eSQ0VIGPeFE[/youtube]