What does upgrading Amphitheatre do? (and what caused it?)
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I have an upgrade ^ symbol on Aqueduct and Amphitheatre. I know the Aqueduct upgrade will give me Hydro Plant and came from Robotics, but what about the Amphitheater? It's not mentioned in the wiki.
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10 Reasons to Upgrade to Live 11 Standard or Suite
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Images: Ann H, Max Vakhtbovych, Jeff Stapleton, Stefano Parisi
