https://unknownportal.com/videos/watch/abe3eff8-6596-46ae-a90f-4f0eb49dfd70 "Media and public briefing on release of the probable collapse sequence for the WTC towers and draft reports for the projects on codes and practices, evacuation, and emergency response." (Table P-2. Public meetings and briefings of the WTC Investigation) NIST NCSTAR 1, p. xxxiii April 5th, 2005. New York City. Speaker: Dr. S. Shyam Sunder Tape 4 of 4. File: 600-WTCI-450-I.mp4 Source: http://wtcdata.nist.gov/gallery2/v/Collected+Materials/Original+Video+from+Tapes/General+Investigation+Collection/600-WTCI-450-I.mp4.html Right audio channel is not working in original file. Audio enhanced to pseudo-stereo by shifting the left channel audio to the right channel. Video deinterlaced, resized to 720x480 resolution and slightly sharpened. Tue, 10 Nov 2026 00:42:07 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://unknownportal.com https://unknownportal.com/lazy-static/avatars/8e1b22ce-9e45-498c-bf3b-05cc77b487a2.gif https://unknownportal.com/videos/watch/abe3eff8-6596-46ae-a90f-4f0eb49dfd70 All rights reserved, unless otherwise specified in the terms specified at https://unknownportal.com/about and potential licenses granted by each content's rightholder.