🇮🇹 Italy · Buried city
Sybaris — Trapezoid Trench Buried Second City (Sybaris–Thurii–Copia)
Archaic to Roman (720 BCE – 300 CE) · Achaean Greek / Thurian / Roman
Achaean Sybaris underneath 6 m Crati alluvium — western trapezoid buried port quay and archaic stoa, 3 cities stacked.