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What about the satellite map before July 3, 2020?
Satellite maps before July 3, 2020 can be viewed in the following ways:

1. Download and use specific map applications: These applications can provide historical satellite maps. For example, the Real-time Earth APP provided by Zhongke Remote Sensing Group, the multi-thread electronic map browsing and downloading software "Shuijingzhu Universal Map" based on Microsoft server launched by Chengdu Shuijingzhu Information Technology Co., Ltd., and the Bigemap APP of Chengdu Bigmap Data Processing Co., Ltd., etc.

2. Search for satellite maps of specific dates: Some websites or applications, such as Google Earth, can display satellite maps of different dates. Enter a specific date in Google Earth to view the satellite map of that day.

3. Find a professional geographic information system: Some professional geographic information systems, such as ArcGIS, can display historical satellite maps. By importing specific data in ArcGIS, you can view satellite maps of different dates.

4. Contact professional geographic information service agencies: These agencies may have historical satellite map data and provide paid services. You can contact them by phone or online. After paying a certain fee, they can provide you with the satellite map you need.

When searching for historical satellite maps, please pay attention to the availability and reliability of data. The data from different sources may be different, so it is necessary to confirm the quality and accuracy of the data. At the same time, the historical satellite map may be affected by the weather, lighting conditions, equipment performance and other factors, so it may be different from the current satellite map.