This is an experimental modification of the port "Hamburg" consisting of various lighting, colour and environment changes including a high resolution skybox.
More examples:
Installation:
Side note: I consider doing such changes to every map in the game, however this is a shitload full of work. So if this should indeed happen, it wouldn't happen in the near future.
Please consider leaving feedback and report any bugs you may encounter.
And of course,
Have Fun! not