Looking back, the hobbits saw that the trees in the court had also begun to glow, faintly at first, but steadily quickening, until every leaf was edged with light: some green, some gold, some red as copper; while the tree-trunks looked like pillars moulded out of luminous stone.
The luminous tower fascinated him, and he fought the desire that was on him to run up the gleaming road towards its gate.
Luminous these were too, beautiful and yet horrible of shape, like the demented forms in an uneasy dream; and they gave forth a faint sickening charnel-smell; an odour of rottenness filled the air.
Against the wan walls and the luminous pavement of the road Frodo could see them, small black figures in rank upon rank, marching swiftly and silently, passing outwards in an endless stream.
Great horns she had, and behind her short stalk-like neck was her huge swollen body, a vast bloated bag, swaying and sagging between her legs; its great bulk was black, blotched with livid marks, but the belly underneath was pale and luminous and gave forth a stench.