Workshop Note

I used the "Straighten Tool" of Photoshop Elements 12 on a vertical line in the center. Since that tool assumes it's correcting the horizontal, one needs to rotate the image by 90 degrees afterwards.
With those post-processing programs that don't have a "Straighten Tool," one can use the edges of the rectangular selection tool to determine whether a line is vertical or not and manually rotate the photo until it is straightened.

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Additional Photos by Philippe guillard (papagolf21) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 16865 W: 881 N: 31085] (134841)
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