一幅拉斯科岩洞叙事画描绘了一个头部像鸟的人和一只受伤的动物的故事，这似乎证实了第三种观点，但仍有许多未解之谜。
One Lascaux narrative picture, which shows a man with a birdlike head and a wounded animal, would seem to lend credence to this third opinion, but there is still much that remains unexplained.
这幅画究竟如何最终出现在谢泼森的画作之中仍然是一个未解之谜，尽管谢泼森被认为是一名谦虚的收藏家。
Quite how it ended up among paintings by Shepperson is still something of a mystery, although it has been suggested that Shepperson was a modest collector.
这场窃案之谜直至四年后才得以解开，窃贼和意大利佛罗伦萨的乌菲齐美术馆馆长取得了联系并且索要一笔赎金。这幅画被追回了。
The theft remained a mystery for four years until the thief contacted the Director of the famous Uffizi Gallery in Florence, Italy, and tried to get a ransom for the painting.
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