Belfast:
https://www.youtube.com/watch?v=PkjqS-GtiT4
Derry-Londonderry was "City of Culture" of the UK in 2013
http://www.nervecentre.org/portfolio/voices-–-city-culture-2013-bid-film#.Uu83MP0pp3c
Derry-Londonderry details:
here you can find films and other information about the events that have taken place:
http://www.nervecentre.org/portfolio
Historical background/the beginning of The Troubles:
http://www.rte.ie/archives/exhibitions/1042-northern-ireland-1969/1048-august-1969/319413-this-is-the-title/?page=1
Belfast details:
Visitors' comments on different sights around the Peace Wall:
http://www.tripadvisor.com/Attraction_Review-g186470-d189770-Reviews-Falls_Road-Belfast_Northern_Ireland.html
For inspiration on murals:
Photos of the Peace Wall in the Guardian Newspaper:
http://www.theguardian.com/uk/gallery/2012/jan/22/belfast-peace-wall#/?picture=384779384&index=14
A series of photos around Belfast to find here:
http://www.flickr.com/photos/laurence_cooley/sets/1006600/
A set of gates in the Peace Line on Lanark Way, Belfast: