This is interesting as well, but as the graphics are all non-usable here (AP), at least for now, no separate topic.
Rome Metro Line Runs Into Roman Barracks And Burial Ground
May 16, 2016
http://phys.org/news/2016-05-rome-metro-line-roman-barracks.html
http://cdn.phys.org/newman/gfx/news/hires/2016/romemetrolin.jpg
http://cdn.phys.org/newman/gfx/news/hires/2016/1-romemetrolin.jpg
http://cdn.phys.org/newman/gfx/news/hires/2016/2-romemetrolin.jpg
http://cdn.phys.org/newman/gfx/news/hires/2016/3-romemetrolin.jpg
http://cdn.phys.org/newman/gfx/news/hires/2016/4-romemetrolin.jpg
http://cdn.phys.org/newman/gfx/news/hires/2016/5-romemetrolin.jpg
http://cdn.phys.org/newman/gfx/news/hires/2016/6-romemetrolin.jpg
http://cdn.phys.org/newman/gfx/news/hires/2016/7-romemetrolin.jpg
Has happened before. Is usually associated with apparitions and hauntings.
