Go down to the grotto and find the secret passage to the Ponte Vecchio.
Buontalenti Grotto is located in the Boboli Gardens, near the tiny courtyard of Bacchus. Inside the grotto artificial stalactites hanging, from the ground stalagmites rise, and the symbiosis of man and nature gave skillful sculpture.
At the entrance to the Buontalenti Grotto you will see a copy of Michelangelo's "Slaves", and inside, including trim, which transforms grotto into a kind of seashell, is an underground passage to the Ponte Vecchio, which was used during the war.
€7 (entrance to the Boboli Gardens).
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