Samples of mud and pollen taken from a lake suggest llama dung, used as fertilizer, helped the ancient people of the Andes make the transition from hunter-gathering to farming.

从一个湖中收集的泥土和花粉样本显示，作为肥料使用的骆驼粪便帮助古代印加人从狩猎聚会过渡到耕种。

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The tallest volcano, Chandragup I, is about 100 meters (330 feet) high, and it has a 15-meter- (49-foot-) diameter mud lake in its crater that periodically overflows.

最高的乾德拉格普1号峰高约100米（330英尺），在火山口有一个直径约15米（49英尺），定期泛滥的泥浆火成湖。

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The very volcanoes are located in hollows, about half a kilometer in diameter. In the center of a hollow there is a round lake filled with mud.

这些火山位于直径约一千米的洼地中。洼地中间是一个充满泥水的圆形湖。

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And after one particular pass along the mud on the lake bed, there was a sudden, ecstatic moment of discovery.

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The team also hopes to take samples of mud from the bottom of the lake, to better understand the geological history of the West Antarctic Ice Sheet and Earth's past climate.

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