:world_map:You can contribute to Google Earth by creating 3D models of buildings.
:camera:Take photos of the building and find the correct geographic location on Google Earth.
:art:Use SketchUp to create a 3D model of the building and add textures.
:rocket:Upload your model to the Google 3D Warehouse for review.
:globe_with_meridians:If approved, your model may be added to the Google Earth 3D buildings layer.