It's ok... it's just a mushroom-shaped cloud
"Controversial installation artist tampers with Tokyo sky to make a point about nuclear disarmament'.
Well, maybe not... but it sounded more interesting than 'clouds at sunset shot from my balcony'
Funny the stuff you see somedays. Reason 1 for always having a camera on me.
Nikkor 20mm f/3.5 AiS
Landscape Picture Control
HDR from a single RAW, processed in Photomatix and then Photoshop.