Deep sea diving

PUBLISHED : Wednesday, 03 August, 2011, 12:00am
UPDATED : Wednesday, 03 August, 2011, 12:00am

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A little ship that can go under water has made its deepest dive ever. The deep-sea submersible Jiaolong is made in China. On Thursday morning it reached a depth of 5,115 metres. That is the deepest dive China has ever made.

These little submarines are used by scientists to explore the ocean floor. They have to be specially built to survive high pressure.