Drains and channel under Roman bath. B- block of wall of post-Sullan drain (P-S) tipped across drain and supporting as a bridge west wall (W) of later water channel ... AMS Horizontal (normal) ... Drains and channel under Roman bath. B- block of wall of post-Sullan drain (P-S) tipped across drain and supporting as a bridge west wall (W) of later water channel.
