AUDIO: full reference to all audio in @Video1 (black-screen MP4): use it exactly

AUDIO: full reference to all audio in @Video1 (black-screen MP4): use it exactly as is, every word, voice, pause and timing unchanged, no music, no added voices; after it ends, only quiet room tone. The picture of @Video1 is only a black placeholder, never show it. SPACE: @Video2 is a 360-degree tour of the set; use it only to understand the layout of this lab, never show it as footage. Locati...