World wonder of the Atomic era in Civilization VI Production cost 3300 File:Civ6Production.png Technology Image:Cultural Heritage (Civ6).png Cultural Heritage Effect Removed if game started after "An opera begins long before the curtain goes up and ends long after it has come down. It starts in my imagination, it becomes my life, and it stays part of my life long after I've left the opera house." –Maria Callas