Google Earth is one of the most incredible tools.
We are allowed to visit any part of the world without leaving our PC. It offers high-quality images obtained via satellite from every part of the world.
The precision and definition of the images are of such a quality that you may observe people and vehicles moving, not to mention landscapes, monuments, historical places, etc.

| Google SketchUp is a new and great tool to create, visualize and edit all 3D files in a simple and efficient way. This software creates all your 3D ideas in a simple and efficient way, and you do not need to think of any other tool with these characteristics. This software is totally free and you may create in 3D in a simple and efficient way, and you do not need to be an expert on the subject... | ||