Everywhere from Beijing to Buenos Aires to Las Vegas to Ho Chi Minh City, there are plans to build high-speed railways. As the planet warms, trains are seen as cool. But do the numbers add up? Show more
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Everywhere from Beijing to Buenos Aires to Las Vegas to Ho Chi Minh City, there are plans to build high-speed railways. As the planet warms, trains are seen as cool. But do the numbers add up? Show more