A moins 6 000 m : exploration des fosses japonaises, Kaiko. - 6000 m : exploring Kaiko Japanese deep-sea trenches

The story of discoveries made by a Franco-Japanese team of scientists during dives in the large trenches surrounding Japan, at depths reaching - 6 000 m, with Ifremer's submersible Nautile. The expedition was named Kaiko (meaning trench in Japanese) and was devoted to studying the slow but inexorable descent of the ocean bed under the Japanese shelves.