What inspired the author to focus on this particular father-son diving tragedy?
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読者同士のディスカッションは今すぐ開かれています。認証済み著者はこのプロフィールを申請後に参加できます。
What inspired the author to focus on this particular father-son diving tragedy?
Did anyone else feel uneasy about the level of risk the divers took?
How much of the historical details about the German U-boat were based on research versus speculation?