The caves often lay on valley slopes and provided excellent views of animal migration routes.

这些洞穴通常都是位于山谷的斜坡，它是个观察动物移动路线的绝佳地方。

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The caves often lay on valley slopes and provided excellent views of animal migration routes.

这些洞穴通常都是位于山谷的斜坡，它是个观察动物移动路线的绝佳地方。

youdao