Siena Cathedral, Tuscany, Italy 🇮🇹
Construction of this masterpiece began in 1220 and was completed in 1370
Not a single modern tool existed, just hands and eyes
Makes you wonder… what did they know that we don’t?
There’s only one city in the world with 4 UNESCO World Heritage listings.
It's not Kyoto, Paris, or even Rome.
But a quiet city in the south of Spain 2,000+ years in the making… 🧵