The Church of Santo Domingo/Corichana Temple is one of the few attractions in Cuzco that's open on Sunday. Originally an Incan temple and astronomical observatory, the Corichana Temple was mostly destroyed by the Spanish (no new news there) and replaced by the Santo Domingo edifice. It was interesting to see such a mixture of styles in a church. In the corridor behind the pillars, you can see an Incan-style doorway.
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