States around the country have also been allowing thousands of miles of asphalt roads to deteriorate back to gravel, even as skilled workers and heavy equipment stand idly by.

全国各州正任由数千英里的柏油公路恶化，露出碎石，就算熟练工人和重型设备已经准备就绪也无动于衷。

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Because there is a road in the road asphalt pavement, to prohibit vehicular traffic during the day, so only in the evening to go back.

因路途有一段公路在铺沥青，禁止车辆白天通行，所以只得傍晚启程回去。

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There is no asphalt road, only dirt road, it is difficult to reverse, because no way back, too dangerous, too narrow, too high, too Britain, at the foot of the Grand Canyon, river Pentium.

通麦天险路，十四公里长，没有柏油路，只有土路，很难倒车，因为无路可退，太险、太窄、太高、太颠，脚下便是大峡谷，江水奔腾。

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