Multi-resolution and multi-temporal airphoto images and satellite images have wide applications in hazard mitigation, resources development, national security, digital telecommunications and scientific research

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Bird view of 3D landscape formed by superimposing color ortho-images into DEM   Orthophoto of Tiantan (Temple of Heaven), a famous park in Beijing, made from aerial photo   A 3D view of Lushan Mountain, a scenic spot in the south of china, formed by superimposing SPOT multi-spectral image and DEM

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Thematic geographical data used for the mobile
telecoms network planning and designing		    3D landscape of a city

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