Get the biggest City stories, analysis and transfer updates delivered straight to your inbox Ilkay Gundogan spoke about the importance of the Borussia Dortmund atmosphere as Manchester City prepare for their Champions League game behind closed doors.
Football in England has been played without supporters for the majority of the last nine months, with the Blues playing just one match in front of a crowd of 2,000 and none with their own fans.
That will change with a test event at the Carabao Cup final next week, but City's quarter-final in Germany will again be without supporters from either side.
Gundogan knows better than most in the squad how intimidating Signal Iduna Park can be, having played for the Bundesliga side before joining City
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