Sharks swim in the Arno,,it,The river that flows under the Ponte alle Grazie,,it,where the first Florentine laboratory of was born,,it,it is an abyssal river,,it,In its depths military submarines also roam,,it,Panerai immersed them in them,,it,who invents Italian watches for modern heroes,,it,If heroes continue to need titanic opponents and divine challenges in a universe that is becoming increasingly blurred and just a click away.,,it,the Panerai Ideas Laboratory restores depth to our world,,it,And in the depths there is darkness,,it. Il fiume che scorre sotto il Ponte alle Grazie, dove nacque il primo laboratorio fiorentino di Panerai, è un fiume…