Book 3 Lesson 1__Background about NYC and the Brooklyn Bridge

1. 歷史的符號：布魯克林大橋

http://www.youtube.com/watch?v=nSnuefarCbA

2. Amazing Facts About The Brooklyn Bridge

http://www.youtube.com/watch?v=EofdFryPxvk

3. 七大工业奇迹 布鲁克林大桥

http://www.tudou.com/programs/view/qsC2XgwFLFs/

4. Seven Man-Made Wonders in the US

http://www.manythings.org/voa/places/1.html

5. New York City Vacation Travel Guide | Expedia

http://www.youtube.com/watch?v=MtCMtC50gwY

http://zh.wikipedia.org/wiki/%E7%BA%BD%E7%BA%A6