Complex sentence: Xanthos'fortunes were tied to Lycia's as Lycia changed sides during the Greco-Persian Wars, archeological digs demonstrate that Xanthos was destroyed in approximately 475 BC-470 BC, whether by the Athenian Kimon or by the Persians is open to debate.
Split into simpler sentences: Xanthos'fortunes were tied to Lycia's as Lycia changed sides during the Greco-Persian Wars. Archeological digs demonstrate that Xanthos was destroyed in approximately 475 BC-470 BC; whether this was done by the Athenian Kimon or by the Persians is open to debate.