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