Eric who has many years' driving experience has had many car accidents. The most serious accident changed his attitude towards driving tremendously."In that day I was driving past Sai Kung and was speeding on the big slope in Pik Uk. I was driving at a very high speed. As a result since the ground was slippery, the tires aquaplaned. The car made three turns of 360 degrees before It could come to a stop. The whole car was ruined and almost fell off the mountain. Luckily I was not hurt." Thereafter Eric did not pursue high speed.

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Aerial view taken from one of VMO-6's light observation aircraft, flown by 1stLt John D. Cotton, shows the power station, the pipes or "penstocks" that carried off the water, and the precarious nature of the road occupying a thin shelf cut into the precipitous slope.

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Others, called "slab avalanches" occur when large sections of the snow pack crack off and crash down the slope.

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According to the datas from field investigation, lab experiment and slope run-off plot observation, the hydrologic functions of forest canopy, lower shrub, litters and soil layers have been studied. The canopy precipitation interception characteristic of different vegetation types have been analized. The results indicate that the broad-leaf forests and coniferous and broad-leaf mixed forests are better than phyllostachys pubescens forests and shrubs in canopy rainfall interception. And the litters water-holding ability of broad-leaf forests and mixed forests are higher than others. And the soil water-holding and infiltrating ablility of broad-leaf is good.

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The polar bear population in the southern Beaufort Sea off Alaska's North Slope has been relatively stable for 20 years, according to a federal analysis.

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The test locales included the Sawtooth Mountains, Idaho; canyons, peaks, and deserts in Arizona; Washington's North Cascades; an island off the coast of British Columbia; the North Slope of the Brooks Range, Alaska; Half Dome in Yosemite, California; and almost everywhere there's a trail in the Northeast.

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