Throughout human history, cultures all over the world have produced unforgettable legends that have inspired people for centuries. Is it possible that ancient stories we consider to be fictional - legends, myths, and folklore - are actually fragments of a larger historical record that's been lost? Do some mythical stories have a basis in reality? And if so, which parts of the stories are fact and which are fiction?

纵观人类历史，世界各地的文化都产生过令人难忘的传说，这些传说激励了人们几个世纪。我们认为是虚构的古代故事--传说、神话和民间传说--是否有可能实际上是已经失传的更大历史记录的片段？有些神话故事是否有现实依据？如果有，故事的哪些部分是事实，哪些部分是虚构的？