Now at last they passed into the high circles of the City, and in the light of morning they went their way towards the Houses of Healing; and these were fair houses set apart for the care of those who were grievously sick, but now they were prepared for the tending of men hurt in battle or dying. They stood not far from the Citadel-gate, in the sixth circle, nigh to its southward wall, and about them was a garden and a greensward with trees, the only such place in the City.