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Uttarakhand tunnel collapse: Robots join great Himalayan rescue op | Big Breakthrough Soon? | Gravitas
11 days after the 41 construction workers were trapped after a tunnel collapsed in Uttarakhand, officials believe that a rescue operation is close to making a critical breakthrough. Robots have joined the rescue operation as an additional 880-millimeter pipe has been pushed through the rubble to free the workers. Molly Gambhir brings you the latest.
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