Photograph
Diana occupied a seat on a bench.
That detail alters the entire composition of the image.
Charles stands while Diana remains positioned at a lower level. The difference in elevation produces the strong impression of greater height on his part.
Recognition of that detail transforms the appearance of the photograph. The image serves as a reminder of the ease with which photographs generate visual impressions that diverge from physical reality.
Charles III biography
A person requires no digital alteration to appear taller or shorter.
A change in position alone