10A City Built on Water

Venice is built on a network of 118 small islands separated by canals and linked by over 400 bridges.

The city’s foundations are wooden piles driven deep into the marshy ground. These piles, made primarily from alder wood, which is highly water-resistant, form a stable base that has supported the city for centuries. Over time, the wood petrified, becoming as hard as stone due to the mineral-rich water in the lagoon.

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