pyestock | your guess is as good as mine

"... The next hour was spent exploring the various cubicles to the sides of the main hall. Some were huge, scaling many storeys, and revealed evidence of previous activities and testing; others were now storerooms or small workshops; whilst others were completely stripped, black and empty, echoing to the coos of pigeons and their stink. Some parts of this building had been derelict, or unused, for a while. In one of the larger test cells, which was called Cathedral (so I was now lost for a name for the building as a whole), I took a ladder into a dark, dank loft chamber. As the door closed behind me, I could hear the hundreds of "coos" and scuttling of nervous birds in the darkness. Moving in any further would’ve caused a feathered maelstrom, resembling a scene from Hitchcook's The Birds. It really wasn’t worth the bother (or mess, or eventual infections) ..."

(Note: larger sized pictures are available. E-mail me if you require them.)