Search for the sites of ancient portals on a hunt for Biel's coat of arms. Walk down the narrow quarried-stone lane of Rue Haute. Pass an ornate fountain and a leafy shade-giving tree. Continue along an arched colonnade. Now look up. What do you see? Suspended from a chain, the red shield with crossed axes has been a symbol of the city since the 13th century. The hanging coat of arms marks one of the town's long-gone gateways. Keep searching - there are three more to find.
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