"Time Tunnels" Brisbane. Every 50m of or so there would be these platforms you have to climb up, these stepping irons have definately seen better days…it gets rather concerning when you can feel the ladder bending underneath your feet. H HA HAZARDOUS!!
"2Wrongs" Brisbane. This is a kinda an old photo 2007.
"73" Brisbane. Mo’ pain…..
"73" Brisbane. The entrance to this particular system was a little back breaking but 100% worth it.