The Walls of China
未分类 | | 2008.09.06
1.长城
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
Date of construction: 2002 through ~2050
Built to keep out: The Gobi Desert
Status: Mixed
3.中国国家防火墙（GFW）
Date of construction: 2002 (and even earlier) to present
Built to keep out: Ideas
Status: Trivial to circumvent but still annoying
