Within 15 years, upward of half a million birch trees have replanted on their own.
In between the villages, the slopes are covered in rhododendrons and the peeling, papery trunks of silver birch trees.
Sinewy roots stretch above the snowline and the skeletal frames of leafless birch trees tremble in the wind.
Then comes number-crunching to figure out how many birch trees would have to be tapped to turn a profit.
"I heard some fool out here was tapping birch trees, " the driver said.
There, among the 600-year-old birch trees, are buried 77 generations of Confucius' descendants.
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Brittle-looking birch trees with black marks on their white bark, and some small, untidy evergreens, rolled up like sleepy bears.
Others sit by the roadside in the shade of birch trees, bikes propped up next to them on verges dotted with pink and white cosmos.
Visitors enter through giant "royal" gates and stroll along an avenue lined with white birch trees before arriving at the 38-foot-tall Big Ben.
And though birch trees are plentiful, they may not be growing close enough to maple trees to make it worthwhile for established maple producers.
Cornell University researchers tapped 400 birch trees in Lake Placid, N.
Generally, when he woke from his after-lunch nap, he took a bath and then, if it was warm, he read in a hammock slung between two birch trees.
In Maine, Kevin Grant has been tapping birch trees on his property in Ripley for six or seven years, and he and his wife enjoy the results in baked beans, beer and other recipes.
In the midst of a cacophony of cars and cabs on the historic cobblestones at Gansevoort Street is a grey metal staircase leading up to a zone of relative quiet amid a grove of birch trees.
Her one-story beige house, on a hillside surrounded by oak and birch trees, has only three small bedrooms, but there are two beds in the living room and more in the basement to handle the occasional overflow.
It will involve planting 16, 000 trees such as oak, birch and rowan in a 25-hectare wood.
Alder trees lead the growth advance, followed by birch and willow.
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