London 2012: Grey-Thompson looks back at her paralympic career

Ahead of the 2012 Paralympics, Dame Tanni Grey-Thompson looks back on her career and the changing attitudes towards disabled people in sport.

The former athlete, who was born in Cardiff but lives in Eaglescliffe, County Durham, won 11 paralympic gold medals and seven world championship gold medals, as well as setting 30 world records.

Dame Tanni is now a member of the House of Lords.