The enjoyable "real world" simulation builds on The Sims series, which sold more than 150 million copies worldwide.

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Two years into the round, as trade ministers gathered for a summit in Mexico, the World Bank was pushing another extravagant simulation.

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Two other real-world, professional demos include a 3D training and simulation app that trains welders, and a practice and assessment application, created by a facial reconstruction doctor, which uses the 3D app to prepare for highly complex, intricate surgeries he plans to perform.

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