Dozens of Chinese research vessels are on a quest to map the sea floor at strategically vital regions of the world's oceans.
Chinese vessels are mapping the sea floor at strategically vital regions of the world's oceans, building detailed knowledge ...
Dagens.com on MSN
China maps ocean floor near US bases, raising military concerns
Beneath the surface of the world’s oceans, a quieter competition is unfolding.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results