Complex sentence: At the beginning of his "Indica", he refers to the older Indians who know about the prehistoric arrival of Dionysus and Hercules in India, which was a story very popular amongst the Greeks during the Alexandrian period.
Split into simpler sentences: At the beginning of his "Indica", he refers to the older Indians who know about the prehistoric arrival of Dionysus and Hercules in India. A story very popular amongst the Greeks during the Alexandrian period.