Exploring a city drain, and I leapt over a puddle, and mid-air I kinda saw something and ducked my head sideways. Turned out I’d leapt directly into a 30cm piece of sharp, rusty reinforcing rod that was hanging out of the ceiling and bent directly toward my eyes. I don’t really know how I avoided it, but if I hadn’t, it may well have been an instant involuntary lobotomy…