3 集
History Of Tall Buildings - 28
History Of Tall Buildings - 28
The skyscraper is a triumph of engineering & capitalism. Climb atop the Empire State Building, Sears Tower and World Trade Center to see how money, tech & ego built the tallest of man-made structures.
45 分钟
1999年2月7日
Mail Delivery: Erasing The Miles - 12
Mail Delivery: Erasing The Miles - 12
Through rain & snow, we expect mail to be delivered. The U.S. Post Office handles over 603-million pieces of mail daily??. From airmail to E-mail to the Pony Express, follow the long journey of mail.
39 分钟
1998年12月31日
Plumbing: The Arteries Of Civilzation - 6
Plumbing: The Arteries Of Civilzation - 6
Plumbing: it's the arteries of civilization, surging with life-giving water and tons of waste. It's potential is explosive and it's history overflows with innovation.
45 分钟
2000年12月16日
