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Chippy...I crossed the corner of Yellowstone, only a few weeks before it closed
for the season, back in 1994. The landscape is vast, and about as wild as you can get.
There was another series of TV programs about Yellowstone, a year or two back, and one of them showed this man, whose job it was to spend the winter in the Park, taking all the snow off the roofs of Park buildings. Apparently it would cause the buildings to collapse under the weight if it were left and he used a saw !
About time the Beeb repeated that again....these are repeats that I never tire of seeing.