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No known copyright restrictionsNo restrictionshttps://www.flickr.com/commons/usage/false
這幅圖片原始出處為Flickr的https://flickr.com/photos/105662205@N04/27637373703 ,作者為berkeley_geography 。經機器人FlickreviewR在2016年12月16日審查後確定為採用No known copyright restrictions的協議授權使用。