> ... built almost entirely from wood, and with fine grain clogging every crevice of most elevators, the ageing buildings are highly combustible. A YouTube search for "grain elevator fire" shows why "Once they start burning, the local fire department can't put them out." https://www.youtube.com/results?search_query=grain+elevator+...
On a similar note, shearing sheds tend to also be incredibly flammable. The oily lanolin from the sheep's wool gets embedded into the timber, basically making the building a big greasy tinderbox.