Part of a cross-country skiing track disappears in snowdust as an avalanche tumbles down a slope in Tuca, Spain.
发生在西班牙涂擦市的雪崩部分越野滑雪赛道部分消失,沿着斜坡一路翻滚下来。
2
Such ice cores trap gases, bits of dust, and other chemicals that were present in the snow that fell over Greenland for thousands of years and then became compressed into ice.
这些冰芯将气体、尘埃和其他化学物质封存在格陵兰岛数千年来的积雪中,然后被压缩成冰。
3
Dust settles over the bars like a slow, fine snow.