1ere GM : https://www.youtube.com/watch?v=3LrPAz4cjh0
https://www.youtube.com/watch?v=WVaGnasYZ2A
Verdun :
https://www.youtube.com/watch?v=onDFLYbmlYk
https://www.youtube.com/watch?v=ZCDlfpNH5-s