Locals have nicknamed it "blue diamond"; its colour comes from being cleaved from centuries-old compressed ice at the ancient heart of the glacier.

当地人称它为“蓝钻石“；它的颜色来自于古老冰川中心几个世纪压缩冰的崩裂。

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The texture and colours of ice can also vary.The lower the air content, the more the colour changes from white to blue - just like your fingers.

冰的结构和颜色也千变万化。冰中的空气含量越少，其颜色变化就越多。

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Candy Hansen from Nasa added: 'the colour of the ice surrounding adjacent streaks of material suggests that dust has settled on the ice at the bottom after similar events.'

美国宇航局的凯迪·汉森指出：“暗色条纹临近区域的冰雪颜色表明，在类似情况发生之后，沙尘已经沉淀在底部的冰层中。”

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