A few years ago scientists were surprised by the sight of two planes carving a hole through a cloud—which then began spewing snow.

几年前，科学家对两架飞机在云中形成一个空洞，随后开始飘雪的现象很是惊异。

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Rain or snow falls when a cloud is cooled suddenly.

当一块云突然变冷时，就降雨或降雪。

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Sea blue sky and white clouds, snow capped mountains to embrace the sea, reached a "fish swimming in the cloud, birds flying in water" wonders.

镜海揽蓝天、白云、雪山于一海，达到到“鱼在云中游，鸟在水中飞”的奇观。

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Instead of adhering to hooves, the trampled snow forms a perilous kickback cloud fired into the path of the jockeys, who also need protection.

CNN: Cool racing: Horses battle on snow

Not only did Microsoft have to take and process a lot of images, it also had to correct for cloud cover, snow, and other impediments to a ground view.

FORBES: Bing Maps Aerial Victory