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You must display/attribute the work in the manner specified by the photographer that does not suggest endorsement of you or your product or your use of the photographs. Relatedly, you may not use the photographs for commercial purposes. You also may not alter, transform or build upon these photographs.
Any of the above conditions can be waived if you get permission from the photographer. Where the work or any of its elements is in the public domain under applicable law, that status is in no way affected by this license.
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Adapted from Attribution-NonCommercial-NoDerivs 3.0 Unported
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