Yorkshire Dales scenery...there are no trees on the hill tops because Neolithic man cut them all down, and the resulting exposed slopes and thin soil mean that trees can't grow up there now.  Those areas are called moors, and they're mostly covered in bracken and heather.

Caption

Yorkshire Dales scenery...there are no trees on the hill tops because Neolithic man cut them all down, and the resulting exposed slopes and thin soil mean that trees can't grow up there now. Those areas are called moors, and they're mostly covered in bracken and heather.
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