GenesisII overlays the images using advanced fractalization and atmospheric techniques. This is not simple texture mapping which cannot give realistic results.
Water is handled with correct reflection and refraction physics.
Carn Eige, Western Highlands, Scotland. Looking west along Loch Mullardoch - Carn Eige is on the left hand side of the loch. Click on the thumbnail image for a larger version. Looking North-West over Ladybower Reservoir towards Kinder Scout and Bleaklow. Positioned over Hayfield and looking North-East over Kinder Scout.