China’s unmanned submersible Haidou 1 returns to Challenger Deep. Photo: Weibo
China’s unmanned submersible Haidou 1 returns to Challenger Deep. Photo: Weibo

China’s Haidou 1 reaches new depths exploring the Pacific Ocean floor

  • Developer says the submersible went further and stayed down longer in its quest to understand the deep sea bed
  • Vessel conducted acoustic survey and beamed back pictures of the life and terrain of the Mariana Trench

Topic |   China science
China’s unmanned submersible Haidou 1 returns to Challenger Deep. Photo: Weibo
China’s unmanned submersible Haidou 1 returns to Challenger Deep. Photo: Weibo
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