The water company dammed the northern lake, which raised the water level and flooded the village (only after the villagers had been resettled, of course).
The village flooded because of the dam.
Getting little attention is 16th-century Bandinelli's clumsy Hercules and Cacus, standing as it does in the shadow of Michelangelo's magnificent David; this life-size copy was placed here in 1873.