Packed with passionate home fans, Borussia Dortmund's imposing south stand - dubbed 'The Yellow Wall' - is the 'gigantic monster' lurking to test Paris Saint-Germain stars like Neymar and Kylian Mbappe in the Champions League on Tuesday.
"It's just a fantastic feeling that I haven't had before," is how Dortmund's star striker Erling Braut Haaland described scoring in front of 'Die Gelbe Wand' (The Yellow Wall) at Signal Iduna Park.