求翻译：Within the walls of the old city, one can visit the medieval castles and fortresses built by the Knights of Saint John, the famous Inns of various Tongues, the former hospital of the Knights (which actually houses the Archaeological Museum), the street of the Knights, the Palace of the Grand Masters, the different Byzantine churches,squares and fountains. The city of Lindos and its ancient Acropolis is one of the main tourist attractions of the island.是什么意思？

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