China

sorry my link didn't have a description neither - if u scroll down here you should find the picture with the Chongqing description - its not exactly the same picture but if you compare the windows, greenery and balconies you can see it is the same external link

hong-kong

Oh i found them anyway - they're the roof gardens in Chongqing. More famous than i thougt they would be external link

this looks a lot like China. But are you aware of how many houses in China look exactly like this one? Could be anywhere...