Prime example being there are several faces in this pixelated image that are not actual faces. Between the boys legs; to the right of him; the trees in the back on the left; etc.
In subreddit r/Ghosts
In a post titled:
This is a picture of my brother and sister 8 years ago when we use to go camping, if you look behind my brother in the bush the is a face starring at my sister when ask if she had seen it she just said oh thats just the wood cutter man made me feel sick ( sorry for bad quality)