[SunkenCiv]

My pleasure.

[bigheadfred]

Archaeologists working on Iasos on Turkey’s Aegean coast have recently discovered

Only recently. Hmmm....The excavations in Iasos started by an Italian team in the head of Prof. Dr. Doro Levi in 1960, and continued by Dr. Fede Berti until today.

It is merely a very poorly written article. The tunnels and sewer may have been in place much earlier and covered with ash. But the newer ruins weren't.