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This city has the world's best subway system as ranked by CNN, and is the world's second largest city transit system based on number of subway riders.
What is not New York. A: Seoul, Korea. Seoul's subways feature advanced technology such as 4G LTE, WiFi, DMB, and WiBro accessible in all stations and moving subway cars, digital TVs showing real time arrival of trains, and climate controlled cars, automatically air conditioned in summer and individually heated seats in the winter.