The $3.50 go-anywhere ticket to fight climate change
Ben Jones, CNN You wake up in suburban Innsbruck, the snowcapped peaks of the Austrian Tyrol glistening in the distance. After breakfast you hop a tram to Innsbruck Hauptbahnhof, the city’s main railway station and climb aboard an Austrian Railways ÖBB Railjet bound for Vienna. After more than four hours crossing some of the prettiest
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