The mysterious proposed development appears to be a step beyond the types of ethnic enclaves scattered throughout U.S. cities, like the Chinatown sections of New York City or San Francisco. The 600-acre "China City of America" is located far outside New York City in upstate New York's wetlands and is a meticulously planned project, calling for family housing, a college and student residences, among other structures. In addition to needing federal approval, it would likely need a host of state and local permits before ground could be broken. If approved, every province in China would have an office there and...