I know we are talking metaphors but here is Edinburgh Castle anyway
This latest report from the from the front contains the fabulous line "Resistance Castle of the 21st Century": http://www.hawarnews.com/english/index.php?option=com_content&view=article&id=2901:enwer-muslim-kobani-became-resistance-castle-of-21st-century&catid=6:manet
