Google+Earth

Google Earth is a software which provided by Google Corporation. It is a program which provides virtual globe, map, and geographic informaton. And of course it is free to download. Google Earth maps the earth by the superimposition of images obtained from satellite imagery, aerial photography and GIS 3D globe. It make people understand more about the earth they are living and also combines entertainment and learning.
 * What is Google Earth?**

Google Earth provides a very detailed satellite view of the Earth. It is a great tool for geography teachers to use when they want to teach terrain, weather, or even cultures. Besides, Google always keep them up to date so that that we would not get old information or pictures. When using Google Earth in an entertaining purpose, people can easily see what exactly Pyramids looks like and how miracle Nazca lines are within only few clicks on mouse and do not have to travel around the world. A brand new function of Google Earth is 360 degrees street view function, which make users see very detailed street scenes in the US and world's main cities such as Tokyo, New York, and London. When using this, it is just like having a virtual tour to all over the world. It can also be a great tool before visiting a city that you never been to. Another feature of Google Earth is that people can upload scenery pictures to Google Earth so that others may see these pictures and have a better idea of this place. It is similar to Web2.0's concept. ▲ A view of National Taichung University ▲ A steet view of London City. Users can directly go to [|Google Earth] website and download it for free. It also has professional version with $400 US dollars per year, and it is often used for commercial purpose. After installed, it's time for you to travel around the world virtually. On the left hand side, there is a blank for you to enter a place. City name, zip code, address, longitude and latitude are all acceptable. You can also type two different addresses and Google Earth will find a best route for you just like a GPS, however, this function is currently not reliable enough. There are still other useful functions that I did not mention, and all you have to do is to download it and then discover it!
 * Why use Google Earth?**
 * How to use Google Earth?**