Cocciopesto paving that is possibly part of a large collapse event. Somewhat unclear as to the purpose was, which suggest that this is indeed part of a destructive event. We may equalize with 17137
SU 17129: view toward the E
SU 17129: view toward N
SU 17129: view toward the S
SU 17129: view toward S
SU 17129: view toward E