Joe Root is smiling again and shows he can get better still for England | Andy Bull

The England captain’s superb double hundred in Galle brought back memories of his first Test eight years ago – and there is more to comeIt’s 13 December 2012, it’s midway through the afternoon on the first day of the fourth Test in Nagpur, and England are struggling. They are defending a 2-1 lead in the series, but here, on a fearfully tricky pitch, four India spin bowlers have them tied up in knots. Alastair Cook, Nick Compton and Jonathan Trott are already out, Ian Bell