"I could tell you the number of haystacks in the field"
by cm

Haystack. End of the Summer. Morning.
Public DomainHaystack. End of the Summer. Morning. - Credit: Claude Monet
In 1890 and 1891, Claude Monet (1840-1926) painted a series of 25 pictures of haystacks near his home town of Giverny, France. 

The paintings demonstrate the varying effects of light across different seasons and times of day.