venice, italy: palazzo ca' d'oro overlooking the grand canal

venice italy ca#39aph39# d#39aph39#oro tree christmas square san marco evening architecture bell building cathedral church city cityscape colonnade culture dark doge#39aph39#s dome ducal europe famous historic lamppost landmark landscape light palace night old castle travel tower monument tourism history sky house town acqua alta adriatic bell blue channel downtown ducale facade high water historic city