How does the weather on the iphone4S phone change the city?

Well, if Beijing appears, there are seven points below (in the middle of the main button and box) that can be set to change to different city pages.

If you want to change the city in the page, there is a circle outside the "I" in the lower right corner of the page. You can choose the city where you want to put seven pages, or the temperature of F degrees Fahrenheit or C degrees Celsius.

The red line on the left can only be added if it is deleted, and there are at most 7 _