29 June 2012 Last updated at 13:52 GMT

World Olympic Dreams: Afghanistan

Matthew Pinsent is in Kabul, Afghanistan for a special edition of World Olympic Dreams.

From the country's only Olympic medal winner, taekwondo fighter Rohullah Nikpai, to the Afghan women's football team who train despite death threats, these are the athletes who are hoping their success can redefine their country forever.

Watch the programme on iPlayer