上图是喜马拉雅山脉（Himalayan Mountains）的高空图像，地球上许多最高的山峰都集中在这一带。
Above is an image of the Himalayan Mountains, home to many of the tallest peaks on Earth.
这些图像如此之大，以至于只能在1000英尺的高空——也就是说从飞机上观看。
The images are so large that they can only be viewed at a height of 1,000 feet—meaning from an aircraft.
在本例中，我再次使用了The Gimp通过在设施的高空图上覆盖以前的示例设计图来创建图像。
In this case, the Gimp was employed again to create an image with the former example blueprint image overlaid on overhead imagery of the facility.
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