[dwd]

It already is in a lot of jurisdictions for photo-shopping photos.

Doctoring a photo slightly to make an area look larger, or just using a wide-angle lens though it can cause visible distortion. Removing unsightly poles, signs, trees, neighbouring properties was also common.

Making the sky bluer and removing clouds is acceptable.

[faeyanpiraat]

You can renovate your home to match an altered image, but you cant change the colour of the actual sky so in a sense that is “more false” advertising. :)