There's loads of things hidden away in our everyday lives. The ruins that used to be opulent palaces. The abandoned keramat shrines. Royalty buried in a small mausoleum in a little parish cemetery by the roadside. The weirdly straight kampung roads that used to be railway beds. The old Victoria Institution building where the principal used to shoot crocodiles basking on the river banks.

And, best of all, the old photos of places that are radically different today. EDIT: this could be spun off into a different community, and I suggest we do. But that's for later.