Italy 2011 Travel Photos - richard wigstone
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This would have been a major thoroughfare -- the three humps in the road were stepping stones to let people cross the street without getting their sandals wet when the streets were washed down every day. The gaps between them let wheels pass. Streets were steeply graded to let the water wash away.

This would have been a major thoroughfare -- the three humps in the road were stepping stones to let people cross the street without getting their sandals wet when the streets were washed down every day. The gaps between them let wheels pass. Streets were steeply graded to let the water wash away.