Lots of burning everything in '71.Not as many buses as '69 when the Republicans opened the depot and used them to seal off the Ardoyne, but still loads. The Provos started getting their act together and there were gun battles across West Belfast and Londonderry. 174 deaths, 1,756 shootings, 1,515 bombs, thousands injured. Internment fucked up what goodwill was left and the fiasco of Bloody Sunday was set up by the PIRA habit of putting kids with rocks on the street, escalating to petrol bombs then gunmen in and behind the crowd high up. It was still a real shooting war then and about to be the worst year -1972: 470 deaths, 10,631 shootings, 1,853 bombs.
Google Belfast gun battles in videos and you'll see loads of people running about shooting, and hear some nice Irish music.