Hi,
do you know what may cause these tiny white lines on screen? there are more of them and located in a part of my map.

I think there's a light problem here, even if i've done a full rad compile. (it's the template entrance btw)

For the shadow "bug":

https://developer.valvesoftware.com/wiki/VRAD#Effects

You must add -StaticPropPolys after vrad in Expert Mode. Otherwise shadows are generated based on the physmodel/bounding box of a prop_static.