Adds the Gateway Arch to the game. The Arch provides 1 :c5gold: gold per specialist in every city. Unlocked at Flight.

http://forums.civfanatics.com/downloads/civilizationv_2011_04_27_10_05_44_89_EP8.jpg
http://forums.civfanatics.com/downloads/civilizationv_2011_04_27_10_09_52_65_KYR.jpg

Download it here (http://forums.civfanatics.com/downloads.php?do=file&id=16993)