The Inca herded domesticated llama and alpaca, and there is little doubt that the assistance of these delicate and sturdy beasts of burden was required during the construction processes. Certainly the llama and alpaca provided wool, milk, and meat to the inhabitants of Pachacuti's palace. You could say they've earned their right to wander the ruins today. In the background of this photograph can be seen the Palace of the Three Portals.
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