Ground environment x North America (PC) (UK) Complete coverage of the USA and Canada (including Alaska) using high-definition textures from licensed aerial and satellite imagery Backs up your default textures and replaces them with high-resolution hand crafted images giving extremely realistic 3d looking detail High performance, perfectly aligned and extreme density and enhancements through the built-in update feature. All seasons including "snowy" winter and realistic custom designed night textures enhance your flight sim experience whenever you choose to fly.