By scanning the locations at the bottom of the ocean where sunken ships, treasures and even cities lie, the show tries to answer what they look like

使用最新的声纳技术，在诺曼底海岸附近绘制沉没的盟军船只的探险队揭示了来自海浪下的惊人图像。英吉利海峡有超过 100 艘沉船，这些登陆艇和船只曾参加过有史以来最强大的两栖入侵舰队。