Image sources & details: http://www.metmuseum.org/collection/the-collection-online/search/466360?&img=4&imgNo=1&tabName=object-information … & http://natmus.dk/historisk-viden/temaer/genstande-af-enestaaende-betydning/genstande-fra-danmarks-oldtid/magisk-krystalkugle/ … & https://en.wikipedia.org/wiki/Visby_lenses … :)
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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Thanks. Twitter will use this to make your timeline better. UndoUndo
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