What is T20 cricket - and why has it changed the whole sport?

BBC commentator Aatif Nawaz explains how T20 cricket has "fundamentally changed the way cricket is played".

WATCH MORE: 'That's the way to win a series' - England hit 17 in four balls to beat Australia

Listen to live coverage of the third T20 international between England and Australia on Tuesday, 8 September from 17:45 BST on BBC Sounds.

Available to UK users only.