Western Sichuan's mountain region is the largest commercial forest base in Sichuan province and also one of the important timber areas in China.

川西山区是四川最大的用材林基地，也是我国主要木材产区之一。

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Its imperative to accelerate the construction of timber forest base, in order to make up the shortage of timber, which resulted from the protection of natural forest, for the forest production.

为减轻实施天然林保护工程对木材生产带来的压力，加快用材林基地建设势在必行。

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The team had hiked two miles from their base camp into the forest to cut fire lines.

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After a short flight from Kathmandu to the mountain hamlet of Lukla, it took me 12 days to reach Base Camp, trekking 160km and climbing 10, 000 feet, hiking through dense forest, over a dozen suspension bridges, above the tree line and, finally, into a frozen landscape of ancient rock and glacial ice.

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One of those surprises came during a visit to Eglin Air Force Base on the Florida panhandle, where he went to see the old-growth long-leaf pine forest.

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