The three towers can all be visited by the public almost everyday of the year.
The Lantern Tower, also known as the Four sergeants Tower, was built in the 15th century, it has been a lighthouse and a prison for English sailors captured during conflicts between the two countries. In 1822 four young sergeants who led a rebellion were
held there before being sent to Paris to be executed. An interesting feature of this tower is the 600 examples of graffiti left by the prisoners.
The Chain Tower was constructed in the 14th century and held the chain which used to be put across the entrance to the port to keep out enemies and collect taxes from ...
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