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Got to File/automate/photomerge.
This is what you get:
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Click on perspective box (in settings), the image
adjusts itself to parallel the perspective.
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to do. Go to free transform:perspective and bring
the right corner down till the perspective is visually correct.
Click the move tool to apply transformation.
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Great photo! for fun, you can use the paint bucket tool
with the color of your choice and fill in the blank space.
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