2 Kings 25:4 And the city was broken up, and all the men of war fled by night by the way of the gate between two walls, which is by the king’s garden: (now the Chaldees were against the city round about:) and the king went the way toward the plain. MC VC

Isaiah 22:11 Ye made also a ditch between the two walls for the water of the old pool: but ye have not looked unto the maker thereof, neither had respect unto him that fashioned it long ago. MC VC