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No known copyright restrictionsNo restrictionshttps://www.flickr.com/commons/usage/false
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
本图原来发表于Flickr,作者为graduateinstitute_library,网址为https://www.flickr.com/photos/124344537@N02/14369834947;经FlickreviewR于2014-10-05 03:52:00审查后,确认本图以No known copyright restrictions释出,相容于维基共享资源。然而上述的授权条款与来源处不同,因而无法确定本页所提供的授权条款是否有效。