Characteristics
Interface areas are sometimes characterised by so-called peace lines, but this is not always the case and so people not local to the area are not always aware of the existence of interface areas. They are sometimes the sites of sectarian violence, when they have become known as "flashpoints". One of the most famous interface areas is Holy Cross in the Ardoyne area of Belfast, which was the site of significant disputes in 2001 and 2002.
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