Dance of the elements” at the 2014 Polyball | ETH Zurich
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Polyball 2018 - official video | Ladies and Gents We are happy to announce great news! Our flashback Polyball video from 2018 is released. Can you find yourself in it? For those
L-Acoustics bei Polyball 2022 › ProMediaNews
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10'000 Besucherinnen und Besucher feierten am Polyball | Tages-Anzeiger