Thanks Anth! Yes, it's way over-engineered. Far more than I had anticipated. Better over than under I suppose. The steel is really heavy and thick. I don't think it'll have much bend in it at all. And the concrete goes over 1m into the ground. I couldn't resist the urge to add a few glow in the dark rocks to the concrete mixture. They glow blue. They're very sparsely distributed. Probably a little tacky, but kids will like them and they won't interfere with AP or viewing.
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