China debuts bullet train that can operate in extremely cold temperatures

China has unveiled a new high-speed bullet train designed for extremely cold climates. The CR400AF-G train can operate at speeds of up to 350 kilometers per hour in temperatures as low as -40 degrees Celsius.http://rss.cnn.com/~r/rss/edition_travel/~3/5q9Wp8LpkxA/index.html

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