Inca-redible experience: Salkantay and Machu Picchu: part 1

The setting is Cusco, the time is 6:30pm the evening prior to a five day hike, via the mountain of Salkantay, to Machu Picchu. We participants had been informed we were to attend a briefing at the headquarters of Alpaca Expeditions, the agency in whose charge we had placed ourselves.  Most uncharacteristically, I arrived late…