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以前修路遇到山,就要劈山开路,结果破坏大量森林植被,给环境带来危害,因此有人说,山路就是山的“伤疤”。随着科学技术的进步,劈山改成了挖隧道。虽然隧道保护了森林植被,可新的问题又出现了……好奇怪,为什么隧道里一抹黑假期,孙小明随爸爸去西部旅行。西部山区好美呀,群山连绵,满目苍翠,世外桃园一样。旅游客车在公路上欢快地行驶,车内不时传出游客们欢乐的歌声。忽然,车厢陷入一片黑暗,什么也看不见了。
In the past, when the road was hit by mountains, it was necessary to cut off the mountain and open up roads. As a result, a great deal of forest vegetation was damaged, causing harm to the environment. Therefore, some people say that mountain roads are the “scar of mountains”. With the advancement of science and technology, the mountain has been cut into tunnels. Although the tunnel protected the forest vegetation, new problems appeared again ... wonder why the dark brown holiday in the tunnel, Sun Xiaoming travel with his father to the west. West mountainous area is beautiful, rolling hills, green everywhere, the same as the World Taoyuan. Tourist bus driving happily on the road, the car came out from time to time tourists joy song. Suddenly, the car into a dark, nothing can be seen.