Passengers take pictures during the railway trip from Curitiba to Morretes in Brazil, April 21, 2012. During the four-hour tour on the 110 kilometers of railway, trains go through 14 tunnels, 30 bridges, beyond mountains and viaducts, making this line the most famous train tour in Brazil attracting 2 million tourists annually. (Xinhua/Weng Xinyang)

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