The German Aerospace Center (DLR) has released an interactive globe which visualizes human settlements around the world. The Global Urban Footprint map shows the global distribution of the human population on a custom made WebGL globe.
The Global Urban Footprint globe was made by analyzing satellite imagery of the Earth. The globe uses only three colors: black for urban areas, white for land surfaces and grey for water. The result is that urban settlements are much more visible on the interactive globe.
It is possible to zoom in on the map to some extent by using your mouse's scroll wheel. However the map doesn't have a great degree of resolution. You can view higher resolution images of a number of global cities on the Global Urban Footprint about page.
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