Although the seasonal equinoxes and solstices seem to divide the year into four equal parts, when you count the days of what we officially call winter, spring, summer and fall, each season is different, says Bing Quock, acting chairman of the Morrison Planetarium at the California Academy of Sciences.

NPR: Not All Seasons Are Created Equal

The first owner of The Lock was James Morrison, who bought the painting at the 1824 Royal Academy exhibition.

BBC: Constable painting The Lock sells for ?22.4m

Since then a number of players the club brought through its academy such as Stewart Downing, Lee Cattermole, David Wheater and James Morrison have left, and Hasselbaink believes the club have paid the price for selling their home-grown stars.

BBC: Jimmy Floyd Hasselbaink