The Charcoal Kilns, bee-hive structure, designed by Swiss engineers, built by Chinese labourers in 1879, Panamint range, Emigrant Canyon Road, Death Valley National Park, California, United States of America, North America

The historic Walker Charcoal Kiln, dating from the late 1880s used to turn oak wood into charcoal for silver smelters, Prescott National Forest, just south of Prescott, Arizona, United States of America, North America

Wildrose Charcoal Kilns, built in 1877 to produce charcoal for the mines, Death Valley National Park, California, United States of America, North America

Smoking charcoal kiln, Walpersdorf, Kreis Siegen-Wittgenstein district, North Rhine-Westphalia, Germany, Europe

Charcoal kiln is set on fire by charburner, Walpersdorf, Siegen-Wittgenstein, North Rhine-Westphalia, Germany

Smoking charcoal kiln, Walpersdorf, Kreis Siegen-Wittgenstein district, North Rhine-Westphalia, Germany, Europe

Burning charcoal kiln, Walpersdorf, Siegen-Wittgenstein region, North Rhine-Westphalia, Germany, Europe

Charcoal kiln. Panamint mountains. Death valley national park. Built 1877. California