Beeep Beeep
Artist's commentary
Hang in There, Kogasa-san 2290
I also sing it when revolving on a turntable in a multi-level parking lot. :-)
Apparently, opening and shutting them just once jumps electricity costs by tens of thousands!
It seems they didn't have plans to open them on this day, but they apparently worked it into the schedule somehow, and we were able to witness the timing of the doors opening!