Complex sentence: Tiwanaku established several colonies as far as 300 km away, of which one of the better researched is the colony in Moquegua Valley in Peru, which is 150 km from lake Titicaca and existed between 400 and 1100.
Split into simpler sentences: Tiwanaku established several colonies as far as 300 km away. One of the better researched is the colony in Moquegua Valley in Peru, which is 150 km from lake Titicaca and flourished between 400 and 1100.