83 years after its Berlin premiere, "Metropolis" can finally be seen as Lang originally intended it. Well, almost. A restored version that incorporates over 20 minutes of newly discovered footage was screened last Friday at the 60th Berlin International Film Festival. Tickets to the gala, featuring the original score performed by a live symphony orchestra, sold out quickly. But throngs of cinéphiles braved subfreezing temperatures to congregate at Pariser Platz, where the film was beamed onto a screen set up at the Brandenburg Gate. Since the 1980s, there have been multiple attempts to reconstruct the film using imperfect sources. Until...