Complex sentence: He had spent the day visiting the Puye Cliff Dwellings and was returning to the Alburquerque Greyhound Bus Station, where he met a Tewa Native "yerbatero" buying a cup of coffee, and struck up a conversation.
Split into simpler sentences: He had spent the day visiting the Puye Cliff Dwellings and was returning to the Alburquerque Greyhound Bus Station. Here he met a Tewa Native "yerbatero" buying a cup of coffee, and struck up a conversation.