39 – THE SPIRAL RAMP

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The Spiral Ramp, designed by architect Francesco di Giorgio Martini, led from the lower square to the vaulted rooms of the Data (the ancient ducal stables) and from here, to the heart of the city centre and the Ducal Palace. On a walkway, which ran along the tops of the city’s walls, one could also reach the Colle delleVigne (Vineyards Hills). In the 70s, architect Giancarlo De Carlo renovated it.