Currently on the frontpage "Defensive tactics from the modern history of urban warfare" (https://news.ycombinator.com/item?id=30480307 https://news.ycombinator.

Currently on the frontpage "Defensive tactics from the modern history of urban warfare" (https://news.ycombinator.com/item?id=30480307 https://news.ycombinator.com/item?id=30480307) The website times out for me, it seems to be popular today.