China’s deep-sea manned submersible carries out joint operation
CGTN published this video item, entitled …
CGTN published this video item, entitled …
CGTN published this video item, entitled …
South China Morning Post published this …
CGTN published this video item, entitled …
CGTN published this video item, entitled …
CGTN published this video item, entitled …
China’s unmanned deep-sea submersible, Haidou 1, …
BBC science correspondent Rebecca Morelle looks …