The "ferrier", Tannerre-en-Puisaye, Yonne, Burgundy, France. A whole 500 mm-gauge railway network existed in the ferrier at the begining of the 20th century. Some of it was recreated in recent years to illustrate this industrial period. Here the association's storage place, surrounded with crests of slag mounds. Vintage quarry tub and draisine on a 500 mm gauge railway.