World of tourists

Updated: Sep 29, 2012 17:09 IST

Visitors stand on a skywalk extending out over the Grand Canyon in this view on the Hualapai Indian Reservation, Arizona. Reuters/Robert Galbraith
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Visitors stand on a skywalk extending out over the Grand Canyon in this view on the Hualapai Indian Reservation, Arizona. Reuters/Robert Galbraith

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