The third video episode on Half-Life map secrets. The episode shows in detail how to find hidden rooms, get into various hideouts on the maps and so on.

Secrets video, episode #3. In this episode you'll see the secrets of the following maps: aztec_hldm, closefire, killbox_6660, killbox_hyper

This episode also had a small mishap: just as I was about to upload it to YouTube, the computer froze, and after the reboot it refused to start. But all in all everything turned out fine, the episode is ready and everyone can watch it.

https://www.youtube.com/watch?v=_320H1PLkis