License
Based on Wikipedia content that has been reviewed, edited, and republished.
Original image by Klaus-Peter Simon. Uploaded by Mark Cartwright, published on 18 May 2016 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.