German football fans like to make a lot of noise, as this video proves.
With Schalke set to face Borussia Dortmund in the Revierderby this weekend, the club's fans wanted to show the players just how much it means to them.
So they turned up at the training ground...
https://twitter.com/WSCsm/status/662982204151234560
The scene looks impressive enough from a distance, but check out this pitchside view to see how impossible it was for the team to train amid all the smoke...
https://twitter.com/vspaetgens/status/662963036106436608
After it was all over, the team eventually emerged, with the fans hanging around to give them some extra motivation...
https://twitter.com/s04_en/status/662951665809494016
