Archaeologists in Bolivia have discovered 135 ancient hilltop sites including an enormous circular structure where they say members of ancient Andean cults would have once worshipped the sun. The sacred circle was in the middle of a vast ritualized landscape, which is only just coming to light. Ancient Bolivia is perhaps most famous for its monumental architecture at Tiwanaku, located near Lake Titicaca, which holds the Gate of the Sun, the Akapana Pyramid, and Puma Punku, which were built between 500 and 1000 AD. However, a new study published in the journal Antiquity presents “135 hilltop sites” circled by concentric walls on terraces. At these sites, the research team discovered large quantities of pre-Hispanic ceramic fragments dating to the Late
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