Venice,Italy,July 29th 2011: Image of the Grand Canal in Venice,Italy.In the distance can be seen The Rialto Bridge which is the oldest bridge accross the canal.Venice is a special city in Italy,built in an archipelago of 117 islands formed by 177 canals in a shallow lagoon, connected by 409 bridges. In the old centre, the canals serve the function of roads, and almost every form of transport is on water or on foot.