Let us back in there already, seeing those treasure boxes and party pad each time I go through is such a tease.
http://images.akamai.steamusercontent.com/ugc/480019269557000637/2B41640...
http://images.akamai.steamusercontent.com/ugc/480019269557001123/E96F5AD...
Apparently it was a really hard danger room for newbies, and early in the game development this level was on the only "newbie" gate.
That being said, as of now, I want that danger room available because it sounds fun, and I want more danger rooms in the clockworks in general, not just clockwork tunnels levels.