CC-BY 3.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/65630793@N05">J. Triepke</a> from Deutschland
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/piro007/24845825956/">St. Michael church in Jena</a>