Salomon match was broadcast outside the Berlin Wall by TV station ARD . Clip of fans taking chunk out of the crowd was shown before recent match . ARD producers came up with footage ahead of match against Schalke . Presenter Gerhard Delling was left stunned after viewing footage .
Salomon Kalou was filmed chiseling the Berlin Wall by TV station ARD . Clip of Kalou taking chunk out of the Wall was shown before recent match . ARD producers came up with idea ahead of match against Schalke . Presenter Gerhard Delling was left stunned after seeing footage .