Painting of Copenhagen Castle on Slotsholmen in Copenhagen, Denmark, a precussor of pressent-day Christiansborg Palace on the same site. The square Blue Tower which achieved an infamous reputation as a prison for <a href="https://en.wikipedia.org/wiki/Leonora_Christina_Ulfeldt" class="extiw" title="en:Leonora Christina Ulfeldt">Leonora Christina</a> is seen in the picture. Also seen in the picture is the Assembly Building with government offices and a meeting hall for the Privy Council (Rigsrådet)
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external text" href="http://www.skyscrapercity.com/showthread.php?t=1045827">Source</a>