Welcome to Tomb Raider 1-Glitch, Secret Area & Shortcut!
There's many glitch,secret area and shortcut any level will be there.
Enjoy and I hope to liked.
Here's to find more from TR1 Glitch:
http://www.tombraiderforums.com/showthread.php?t=201140
http://www.gamefaqs.com/ps/199040-tomb-raider-1996/faqs/36533