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Original image by Heinrich StÃ¼rzl. Uploaded by Jeffrey King, published on 07 January 2019 under the following license: Creative Commons Attribution. This license lets others distribute, remix, tweak, and build upon your work, even commercially, as long as they credit you for the original creation. This is the most accommodating of licenses offered, in terms of what others can do with your works licensed under Attribution. Please note that content linked from this page may have different licensing terms.