Security hatch and the key boxes, which must have had hundreds of keys given the size and complexity of the site.
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See full size image Caption: Security hatch near B Core, ground floor Description: Security hatch and the key boxes, which must have had hundreds of keys given the size and complexity of the site. Alt text: Security hatch near B Core, ground floor Image credit: Team Urbex - ATF Photo subject date: 15/04/2012 |