Keishin Hospital.

Here are some incredible photos I stumbled upon by Michael John Grist, you can see more of his work here http://www.michaeljohngrist.com

Keishin Hospital was once a pre-eminent site of super high-tech radiology equipment, leading the charge as Japan raced into the modern era. Some 20 years ago that dream fell by the way-side though, and the place was left to the vandals and graffiti artists.