sentences:  In 1703 it was said to be the last remaining tree from the ancient forest; the 1911 "Encyclopædia Britannica" says it is the last of a sacred grove around which the city sprang up.One legend recounts that the Devil himself put the tree trunk in irons, or at least guards it.Another tells that a locksmith's apprentice who stole a valuable nail from his master, or wanted to marry his master's daughter, learnt from the Devil how to make an unopenable lock with which to enclose it, and in one version also an identical nail to hammer in beside the stolen one.