Earl Spencer, Princess Diana's brother, described the lasting impact of Diana as "extraordinary," adding that it brings a "great sense of family pride." He spoke exclusively to ITV News at his Althorp Estate, where the Princess is buried and where today, a new single was being recorded for the late Princess's charity. Report by Covellm. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn