Celtic fans' roar when Nicolas Kuhn put them ahead in this week's Champions League showdown was the second-highest noise ever recorded in a sports stadium in Europe, according to German media.
And the decibel levels reached were so extreme, that hearing experts warn it could have caused damage to the ears and is likened to the sound of a jackhammer.
The Hoops enjoyed one of their best-ever European nights when they came from behind to beat Bundesliga high-fliers RB Leipzig 3-1.
And newspaper Leipziger Volkszeitung took decibel readings of the key moments of the evening. They report that Kuhn's goal in injury time of the first half saw the noise level reach a staggering 129 decibels - which is described as being at the same levels as a jet taking off.
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