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A photo taken at the infamous Old Changi Hospital has become a hot talking point among local netizens because of what it seemed to capture.
Instagram user mohobos had first posted the picture sometime last year in December.
Screenshots, along with close-ups showing a spooky figure lurking in the background, were then uploaded on Twitter where they became even more viral.
Check out the photo in the gallery below to see if you can spot the white figure. Browse further if you need help or a close-up view.