Using the software

摘要

Google earthis one of anumber of global mapping sites available. Many hotel-finders and store locators now link directly to satellite images. Microsoft VE, Yahoo maps and Flashearth offer a variety of options. A recent computer with broadband will help. Begin by logging on to to download the software. In the "Fly To" window at the top left-hand corner of the screen, type in the co-ordinates-in this month's case, 29·997010°S, 51·187389°W.Then click on the magni-fying-glass icon to begin the search.