Naked Statue of Liberty in Civ III?!?!

[KrazyHorse]

Doesn't brass have a high copper content also?

I honestly thought bronze didn't tarnish by turning green.

*Rummages around through his college chem textbooks*

[tniem]

From Encarta:

The strongest bronze alloys contain tin and a small amount of lead. Tin, silicon, or aluminum is often added to bronze to improve its corrosion resistance. As bronze weathers, a brown or green film forms on the surface. This film inhibits corrosion. For example, many bronze statues erected hundreds of years ago show little sign of corrosion.

I added the bold.

[SerapisIV]

That would be a very cool feature if the Collossus actually ages in color during the game. It already appears that city-walls age or become obsolete, so why not age the other buildings/wonders?