Captain Poni 🛤️ is a user on haupt.bahnhof.cz. You can follow them or interact with them if you have an account anywhere in the fediverse.
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oh, it's actually a festival with a plenty of art installations, some of them quite interesting, not bad
@pony it's not possibile because it would be closed one times a month. 
i seriously hope they made this (haven't checked cause i'm lazy)