I asked on Reddit but there are no mods for better (more realistic) looking textures.
The Mountains/Hills have a darkgrey (black) texture and almost no vegetation. I don't know why this is so, because this is exactly how mountains don't look like. I would prefer a look more like the alps.
Ingame (not my screenshot): http://i.imgur.com/8fjVrr2.jpg
Real Mountains (Alps): http://i.imgur.com/I6DjJ5S.jpg
The Mountains/Hills have a darkgrey (black) texture and almost no vegetation. I don't know why this is so, because this is exactly how mountains don't look like. I would prefer a look more like the alps.
Ingame (not my screenshot): http://i.imgur.com/8fjVrr2.jpg
Real Mountains (Alps): http://i.imgur.com/I6DjJ5S.jpg