From the gentle turquoise seas of the Caribbean to the icy-cold Arctic, an international team of underwater explorers reveal the secrets and stories of our oceans. 　　A team of intrepid adventurers – explorer and expedition leader Paul Rose, maritime archaeologist Dr Lucy Blue, marine biologist Tooni Mahto and conservationist Philippe Cousteau Jnr, grandson of Jacques Cousteau – u... (展開全部)