Notice that WTC II which enters its final destruction sequence is bathed in light, while WTC I standing right next to it, is not.
This is just the sort of evidence that the un-observant will ignore as insignificant; - WRONG!
To understand why WTC II is bathed in light and WTC I is not, see this video clip and its text caption;
http://www.youtube.com/watch?v=s1LdQ6DGhpo
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This phenomena will only be seen from nearby vantage points, since the scattered higher energy light will fall off in intensity at a distance due to atmospheric effects and absorption.
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