nytimes.com/interactive/2014/09/01/us/guantanamo-camp-x-ray-ghost-prison-photographs.html
>Camp Delta, too, is empty now. Most of the remaining 149 prisoners at Guantánamo, from the 779 who were brought here, live in concrete-walled prisons called Camps 5 and 6. A handful of higher-level detainees live in Camp 7, an intelligence operations center hidden in the hills; reporters are not permitted to visit.