Mausoleum of Theodoric the Great, Ravenna, Italy, 520 CE. Built by Theodoric to be his tomb.
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Original image by F. Tronchin. Uploaded by Karen Barrett-Wilt, published on 02 October 2014 under the following license: Creative Commons: Attribution-NonCommercial-ShareAlike. This license lets others remix, tweak, and build upon this content non-commercially, as long as they credit the author and license their new creations under the identical terms.