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2004年3月1日

1分钟阅读

时光护照

志愿者参与全国各地的考古和历史森林管理局项目，学习实地技术

作者：玛格丽特·霍洛韦

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Marguerite Holloway is a contributing editor for 大众科学.

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This article was originally published with the title “Passport in Time” in 大众科学 Magazine Vol. 290 No. 3 (March 2004)
doi:10.1038/scientificamerican032004-4HcBBvTK5wRvR0O1em8xoB

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