“元谋人”距今约有170万年,是已知的中国大陆最早的人类,位于云南元谋县,被称为“人类的摇篮”,在这个“摇篮”境内有一个土林,距昆明市约180公里。这儿的泥土在漫长的岁月中不断吸水、膨胀,失水、收缩,致使地面龟裂;雨水的冲刷使裂缝逐渐加深、扩宽、延长;土林逐渐显露、增高 About 1.3 million years ago, “Yuanmouren” is the earliest known human being in mainland China. It is located in Yuanmou County, Yunnan Province and is called “the cradle of humanity.” There is a soil forest in this “cradle” About 180 kilometers. Here the soil in the long years of continuous absorption of water, swelling, water loss, shrinkage, resulting in ground cracks; rain erosion so that cracks gradually deepened, widened and extended; soil forest gradually exposed, increased