Where do historians find and study documents? The historical archive is the historian's favorite place to go to discover original, unpublished documents.
The photo at the end was taken (by me) from the church of San Cristobal in Cusco, looking in the direction of Ausangate, the snow-capped mountain to which pilgrims pay homage every year in the festival of Qoyllur Riti. If you look closely you can see the shimmer of Ausangate in the distance just below the clouds.
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Music: "Huayino and Tundiqui" from the album Los Incas en Concert by Los Incas.