One of the aetheric journals I read regularly mentioned the demise of Laputa, a sky city. (Naturally, I cannot remember the source, or I would gladly provide a link. Feel free to refresh my memory.) I feel a pang of discomfort at the loss of a wonderful steampunk-y build. It is a reminder, though, that nothing is permanent - not even the parts that look permanent.
I had visited once upon a time, meant to visit again and make a more thorough exploration, but never did. If, as is sometimes said, nothing is truly gone until it fades from our collective memories, I offer the following picture: