39. But when one comes within the gates he does not permit him to enter the sanctuary immediately, with impure and unwashed feet; but leaving as large a space as possible between the temple and the outer entrance, he has surrounded and adorned it with four transverse cloisters, making a quadrangular space with pillars rising on every side, which he has joined with lattice-work screens of wood, rising to a suitable height; and he has left an open space in the middle, so that the sky can be seen, and the free air bright in the rays of the sun.