The elephant has been a cultural icon of Thailand since ancient days.

大象从古至今一直是泰国的文化符号。

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People have been pouring into stadiums since the days of ancient Greece.

自古希腊时代以来，人们就一直在涌入体育场。

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Discover the ancient link between buffalo herds and wolves and why Native Americans have referred to the Wolf as their spiritual brother since early days.

探索古代狼群与野牛群之间相互依存的关系，解释为何很早以前美国土著就将狼视为他们精神上的兄弟。

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Foie gras has been produced by farmers since the days of ancient Egypt, when farmers discovered that the waterfowl's liver expanded in the days leading up to the bird's planned migration.

CNN: Foie gras causes uproar

The MIT mathematicians, that is, sidestepped a weak spot that had plagued cryptographers ever since the days of the ancient Greeks: How do sender and receiver hand off a key without risking that their communication channel or their courier will be compromised in some way?

FORBES: I've got a secret