Watching that brought back a few memories. I walked (well, quickly scuttled) through that tunnel the last time I was in Japan. For me, a mild claustrophobe, it

Watching that brought back a few memories. I walked (well, quickly scuttled) through that tunnel the last time I was in Japan. For me, a mild claustrophobe, it was a somewhat scary but at the same time somewhat exhilarating experience.