 It is less than ten feet square, and leads off from the Long Gallery , which is well over a hundred feet long by about twenty wide, giving a rather startling change in scale and atmosphere.
<clarity>  It is less than ten feet square, and leads off from the Long Gallery , which is well over a hundred feet long by about twenty wide, giving a rather startling change in scale and atmosphere.
 It is less than ten feet square, and leads off from the Long Gallery which is over a hundred feet long by about twenty wide, giving a rather startling change in scale and atmosphere.