Uploaded October 2012 | Updated September 2026, 5 minutes ago
In the old days, losing 5-6 men during skyscraper contruction was considered a success, while today losing even one is considered a tragedy. (From Discovery Channel's "Understanding Skyscrapers")
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In the old days, losing 5-6 men during skyscraper contruction was considered a success, while today losing even one is considered a tragedy. (From Discovery Channel's "Understanding Skyscrapers")
Become a fan here! facebook.com/HowWeInventedTheWorld










