The colours of the Lagoon and Trifid have been shifted towards red without shifting any other colours in the rest of the photo. This is very easy to do in Picture Window Pro (or in Color Mechanic plug-in using Photoshop). You just pick a single colour and how far you wish to span around it, and shift it to anything you wish. Perhaps this rendition is less jarring to those who are used to see a red Lagoon ;-)