Ancient pottery dating back 1,000 years was unearthed 20 feet beneath Tbilisi's Rustaveli Avenue during routine roadwork on the city's main boulevard.
https://www.foxnews.com/travel/workers-renovating-major-city-street-stumble-ancient-discovery-20-feet-below
https://www.foxnews.com/travel/workers-renovating-major-city-street-stumble-ancient-discovery-20-feet-below