Alastair Cook faces up to the new ball © Associated Press

Alastair Cook was cleaned up by a full, swinging ball © Getty Images

Trent Boult had Alastair Cook caught down the leg side © Getty Images

Trent Boult is elated after securing an outside edge © Getty Images

Alastair Cook in action against a New Zealand XI © Getty Images

Another drubbing down under: England reflect on Ashes defeat © Getty Images

Alastair Cook pulls one off the hip © Getty Images

Alastair Cook poses with his name up on the wall at the MCG's Percy Beames Bar © Getty Images

Centurions Steven Smith and Alastair Cook shake hands © Getty Images

Alastair Cook leaves the field after carrying his bat for 244 © Getty Images

Alastair Cook moved up to sixth on the all-time Test runs chart © ESPNcricinfo Ltd

Alastair Cook takes the applause as he leaves the field © Getty Images

The crowd applauds Alastair Cook's double century © Getty Images

Stuart Broad congratulates Alastair Cook on his double century © Getty Images

Alastair Cook brought up his fifth Test double century © Getty Images

Alastair Cook raises his bat for 150 © Getty Images

Alastair Cook drives through the covers © Getty Images

Alastair Cook celebrates reaching his hundred © Getty Images