Geotagging photos is the process of adding geographical information, such as latitude and longitude coordinates, to a photo's metadata. This allows the photo to be associated with a specific location where it was taken. Geotagging can be done using various methods, including GPS-enabled cameras or mobile devices with built-in GPS receivers. Geotagged photos provide valuable context and can be used for organizing and searching photos based on location. They are also useful for mapping and visualization purposes, as well as for sharing travel experiences or documenting geographical features.... If a camera lacks GPS functionality, an external GPS device...SRS to another SRS (including custom systems) and view the result...