Marcus Harris blows a bubble on his way to Australia's nets session, England v Australia, 4th Test, The Ashes, Old Trafford, September 3, 2019© Getty Images
Steve Smith walks back to the changing rooms after a net, ignoring a poster declaring that England represent 'the ultimate test', England v Australia, 4th Test, The Ashes, Old Trafford, September 3, 2019© Getty Images
Steven Smith - wearing stem guards on his helmet - prepares for a net ahead of the Old Trafford Test, England v Australia, 4th Test, The Ashes, Old Trafford, September 3, 2019© Getty Images