List three uses for Regions.
Create a set of Placemarks that include Regions to make them active.
Create (or locate) a Model that can be shown in three levels of detail and use Regions to display the different versions of the Model.
Use Regions to display a set of GroundOverlays.
Explain what a super-overlay is used for. List the two KML elements that are used in a super-overlay.
Outline a simple data set that could use the extended data feature to preserve its fields and types.
This chapter deals with two concepts that can be considered among the more advanced features of KML: regions and extended ...