Yes, it’s a fair cop as they say… but then they say that imitation is the sincerest form of flattery.
G-Man’s excellent little dio is here:
https://forums.kitmaker.net/t/burma-jungle-ravine
In fact, I left one of the last comments. Sadly he hasn’t finished it. Perhaps he will now?
Anyway, I don’t claim that mine is breath-takingly original concept, and I have seen others elsewhere. The idea is to pack as much natural drama into as little space as possible.