Manchester City and Germany legend Ilkay Gundogan has heaped praise on Celtic Park, ranking the atmosphere in his top three stadium experiences as a footballer.
Back in 2016, Pep Guardiola's side travelled to Glasgow to take on Brendan Rodgers' new-look Celtic side, who had negotiated qualifiers to reach the group stage of the Champions League. What followed was a modern-day European classic, which ended 3-3.