Experimenting with this EveryTrail website after a walk yesterday. This is the result. Looks very useful. You can upload a GPS route with digital photos and the photos will be marked on a Google Earth map using the clock in each! I suppose this is a form of geotagging. Note that Google Earth now has a 'terrain' option.
River Severn walk at EveryTrail
Map created by EveryTrail:Share GPS tracks
I have started to use this for my walklog.
Here is a YouTube demo of EveryTrail:
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