Complex sentence: The project "The Last Supper" was claimed to be the largest digital panoramic photo, it is a stitched photograph created merging 1677 shots from a single point into one photograph, each shot 12.2 Megapixel in size.
Split into simpler sentences: The project "The Last Supper" was claimed to be the largest digital panoramic photo. It is a stitched photograph created merging 1677 shots from a single point into one photograph, each shot 12.2 Megapixel in size.