The Walls of China  SEP 04 2008

Great Wall of China

Name: The Great Wall of China
Date of construction: 6th century B.C. through 16th century
Built to keep out: Invaders from the north
Status: Tourist attraction and UNESCO World Heritage Site
Little known fact: You actually can't see it from space.
 

Green Wall of China

Name: The Green Wall of China
Date of construction: 2002 through ~2050
Built to keep out: The Gobi Desert
Status: Mixed
Little known fact: Prior to the Wall's erection, the Gobi was advancing south at 3 km per year.
 

Great Firewall of China

Name: The Great Firewall of China
Date of construction: 2002 (and even earlier) to present
Built to keep out: Ideas
Status: Trivial to circumvent but still annoying
Little known fact: Google, Yahoo, AOL, Microsoft, Skype, and MySpace all self-censor their services for use in China.

Great Wall photo by mooney47.

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