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China's unmanned submersible has dived to a depth of 10,767 metres at the world's deepest ocean point, setting a new record for the country to enable it to explore ocean beds for minerals and other natural resources, officials said today.

China's unmanned submersible has dived to a depth of 10,767 metres at the world's deepest ocean point, setting a new record for the country to enable it to explore ocean beds for minerals and other natural resources, officials said today.