Grasso no longer hid the knife he carried in his right hand as they moved nearly out of range to a dark, windowless van.
The walls were solid concrete and windowless.
He couldn't tell the time in the windowless room, but he gauged it to be after midnight.
Modern writers describe the place as windowless, but Ibn Jubair mentions five windows of rich stained glass from Irak.
This is another windowless rectangular blockhouse with a blast protected entrance.