Mezcal Process:
Most artisanal mezcal stills used to be clay, but now many destilerías have small copper potstills. The stills are placed in a masonry base – clay and rock, or sometimes brick – with a wood-fired oven underneath.
A still in operation at San Juan del Rio. The potstill is at right, with the wood fire below and the condensing tank at left.
Photographs by Katherine Lewis