Slideshow depicts the ordeals of charcoal pit kiln workers in Kooshk (near Esfahan), Iran, in their own words:
http://www.jadidonline.com/images/stories/flash_mu…
The article on it, “Scorched Aspirations,” is @
http://www.jadidonline.com/story/01062012/bhr/coll…
And here’s how charcoal briquettes are produced industrially:
