Heading back to Arequipa, it is worth visiting some of the isolated settlements on the north side of the Colca River, reachable by a rough single-track road.

BBC: Exploring Peru��s epic Colca Canyon

Moments from the single-track road that winds up the valley, Buchi unearthed a fresh cluster of blossoming wild garlic growing on the moist, fertile banks of the river Cwm Einion.

BBC: The wild taste of Wales

Many miles later, the road is but a faint single track in a thick bamboo forest.

CNN: The snows of Erukenya