and we've worked very carefully with forensic psychologists at the forensic psychology unit at goldsmiths witnesses to recall things that are otherwise — they would have forgotten. the prisoners in saydnaya — this is the syrian torture prison outside of damascus, where political prisoners were held by the assad government — were denied... what is called sensory deprivation. they were held in darkness. whenever the guards entered into the room, they had to be blindfolded or press their eyes against their... their hands against their eyes. and then what was activated was their sense of hearing. and the sense of hearing is also spatial. a small room would echo, and the sounds would reverberate in a different way than a corridor or a room with a high ceiling. so through partial visual memories — the number of tiles, through the audio analysis which we've done with a very close collaborator of us, the organisation called earshot — we were able to estimate the architecture of that secret torture prison. you end up with what you would say is a credible picture, a creation, a representation... ab