Half-Life 2 DM Dark City Map

was able to see trough the sky inside the \"cellblock area\" from the roof of the large \"outsidearea\". I have no idear what this bug is about and so i had to build this ugly looking big black wall in between
This map is the result of my first mapping experience with the Hammer editor. Thats the reason why its surely not perfect. During the map developement ive got a realy bad bug on it so that the player