La Napoli Sotterranea, Underground network in Naples, Italy.
La Napoli Sotterranea is an underground network beneath Naples composed of tunnels, water tanks, and ancient passages carved into volcanic rock. The complex descends multiple levels and extends across numerous interconnected corridors beneath the city.
The Greeks began excavating these passages in the 300s BC to extract tufa stone, while Romans later expanded the network for water distribution. This two-phase development shaped the structure visible today.
The site reflects how generations of people relied on these passages for essential resources and shelter. The underground spaces remain central to how locals understand their city's layered character today.
Visitors should prepare for cool, damp conditions underground and wear shoes with good grip. Access is through an entrance in the historic center, and exploring certain passages requires some agility.
During World War II, these underground spaces served as air raid shelters and still contain furniture and personal items from that period. These remnants show how people lived in such close quarters during wartime.
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