Lima is first because it is flat. The whole route from here climbs — Cusco, then Puno, then La Paz, then a refuge at 4,300 m on the salt-flat crossing — so the only job of the first days is to be at sea level and eat well while doing it.
Twelve hours covered the Plaza Mayor and Plaza San Martín, the catacombs under the San Francisco convent, and a table that did not stop: ceviche with chicharrón, causa, ají de gallina, a pisco sour. The photographs do the rest of the talking.