England can't believe it as the final ball falls short of slip, England v Sri Lanka, 1st Investec Test, Lord's, 5th day, June 16, 2014© Getty Images
Joe Root became the fourth-youngest double-centurion for England, England v Sri Lanka, 1st Investec Test, Lord's, 2nd day, June 13, 2014© AFP
Joe Root greets the applause for his double-ton, England v Sri Lanka, 1st Investec Test, Lord's, 2nd day, June 13, 2014© Getty Images