Complex sentence: While sending his troops west, Cambyses himself decided to go further south of Thebes to the city of Elephantine, according to records known as the Elephantine Papyri, Cambyses and his army of Persians had "knocked down all the temples of the Gods of Egypt".
Split into simpler sentences: While sending his troops west, Cambyses himself decided to go further south of Thebes to the city of Elephantine. According to the Elephantine Papyri, Cambyses and his army of Persians had "knocked down all the temples of the Gods of Egypt".