Ambitions for ocean research (Chinese version)
BBC science correspondent Rebecca Morelle looks inside a life-size model of a submarine which the Chinese hope will take humans to the very bottom of the ocean - the Mariana Trench, in the Pacific, at a depth of nearly 11,000m (36,000ft).
This video features in a longer article published by the BBC Chinese service.
20 May 2016
- From the section Magazine