Complex sentence: In the 1970s Waihi saw a large influx of hippies in search of environmentally friendly alternative lifestyle settle there, and around the Waikino area, bringing with them numerous cottage industries which helped supplement Waihis' economy.
Split into simpler sentences: In the 1970s Waihi saw a large influx of hippies in search of environmentally friendly alternative lifestyles settle there and around the Waikino area. These young counterculture proponents bought with them numerous cottage industries which helped supplement Waihis' economy.