But how can you be sure these images show what those who posted them claim they do?
Using a reverse image search tool can point journalists to the earliest record of an image posted online.
It can also help reporters identify key buildings or elements in the image to find or verify the place the image was taken.
In this post on MulinBlog, digital journalism educator Dr. Mu Lin explains through practical examples how to use Google's "search by image" tool to identify a place.
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