It looks like someone took some video of their work on preparing the Arequipa bivouac. (There can't be more than a handful of people in the world who would be interested enough to take the time to watch these . . . but they're probably all on advrider, so here are the videos).
A video about setting up the toilets?
In honor of Deadly's strategy on how to get a tolerable place to take care of business, including someone banging on the privy yelling at him
, here's the video: