Reconstruction of the Pergamon Altar displayed at the Pergamon Museum in Berlin.
Based on Wikipedia content that has been reviewed, edited, and republished.
Original image by Raimond Spekking. Uploaded by Cristian Violatti, published on 14 June 2015 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.