Here is my blind playthrough on hard difficulty:
https://www.youtube.com/watch?v=urVfIRwlP5U
It took me 22 minutes to finish, but most of the time i was just staring at the architecture and the texture work done here =D i was blown away by the detais on this map, so much stuff to look at. I love it! =D
About the secrets, i can't believe that i just found 1 of 7. My technique of shooting all the blinking lights didn't work this time XD
My only complain about this map is the huge amount of ammo and health packs. It made things too easy on hard difficulty... I know 99,99% of the quake players love to have a lot of ammo and health so they can run around careless shooting and taking damage and facing no consequences because they have so many health packs that they'll never die. But i'm that 0,01% that like to play Quake as a horror game, counting every shell, saving nails for shamblers and grenades for zombies... it's more like resident evil 1 than Doom gameplay... so, yep... i like when the map has just enough ammo to kill all the enemies and health pack enough to reach the exit with 5% of life XD