You got further than me. I went in through the tunnels and tailed them until they pulled their vanishing act.

[ Hence his theory about the invisible float. The man's description doesn't help Yuri narrow down what it's meant to be. All that plumbing and water pipes...it gives him inspiration for what the Abyss back home can benefit from, but no other ideas. ]

I can't make heads or tails of it, but that goes for most technology of this era. Do you think a library would have answers? In any case, we still have a week or two before the parade..

What's your name, friend? I'll contact you if I find anything.