Cameron, maker of ‘Titanic’/ ‘Avatar’ dives 11 kms deep into sea!   Hollywood director James Cameron has just returned to the surface after plunging nearly 11km (seven miles) down to the deepest place in the ocean, the Mariana Trench in the western Pacific. He made the solo descent in a submarine called “Deepsea Challenger”, taking over two hours to reach the bottom. He spent more than three hours exploring the ocean floor, before a speedy ascent back to the surface. His craft was kitted out with cameras and lights so he could film the deep. This is only the second...