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Holy Grail

Intact towers

Intact towers with GZ foreground

GZ with towers

GZ

Pakistan Earthquake Collapse

Round 1: Where is a floor assembly?

Bonus Round!

Because round one was actually a TRICK QUESTION (no floor assemblies made it down to ground zero), I will award you the HTR grand prize for answering either of the two following questions correctly:

1. Approximately what percentage of the non-metallic portions of the twin towers was converted into fine powder and gravel? (answer)

2. Which two scientific researchers recently shared the 1st annual HTR Golden Meteorite award for "Rubble Hunters of the Year"? (answer)
The Golden Meteroite Award