The site of Spina, the Etruscan port city on the Adriatic, at the ancient mouth of the Po south of the lagoon where Venice would one day rise, was lost until modern times, when drainage schemes in the delta of the Po in 1922 first officially revealed a necropolis of Etruscan Spina about four miles west of the commune of Comacchio. The fishermen of Comacchio, it soon turned out, had been the source of "Etruscan" vases (actually originally imported from Greece) and other artefacts that had appeared for years on the archeological black market. The archaeological finds from the burials of spina aerial photography.