时下，野外旅游受到不少游人的青睐，但野外旅游者若有不慎，就容易迷失方向。遇到这种情况，你千万不能心慌着急，只要冷静观察一下周围的景物，就会找到许多识别方向的标志。在树林中找一棵树桩，根据它的年轮来识别方向，树的年轮总是南面的宽，而北面的窄；也可以观察一棵? Nowadays, outdoor tourism is favored by many tourists, but if wild tourists accidentally, it is easy to lose their way. In such cases, you must not be in a hurry, just look around the scene calmly, you will find many signs identify the direction. Find a tree stump in the woods, according to its annual ring to identify the direction, the tree ring is always south wide, while the north is narrow; you can also observe a?