Breathtaking futurist architecture.. Photographer Jan Kempenaers spent three years travelling the countryside of Serbia and Croatio, taking pictures of these abandoned symbols of former united Yugoslavia. It's worth checking out all of these amazing structures in this longer article on the project.
A Mexican design firm envisioned this building in Hong Kong, in an attempt to reimagine the traditional form of skyscrapers - in recent times, rectangular, glass structures - as something that can be "as varied as the cities they're built in". This twin tower structure would support rice paddies on its many terraces. Read more about it here.