From the website:
The upside-down balloon appears at first glance to be standing on its head. In actual fact, there is a concealed cabin on the underside and a further dummy cabin on the top.
Link (via Interactive Architecture)
[...] ÃÂðòõû ñûþó Neatorama [...]
I would freak out if I spotted that thing flying in the sky!
You mean like this?