Their step-mother, however, had always been most generous to them; indeed, they were so young at the time of their father's remarriage that they always thought of her as their own mother. 
Their step mother was thought of as their actual mother.
They hated their step mother.
PEOPL;E WERE ON GRASS
they hated each other
The sunsets are stunningly beautiful.
The racers are moving around the track.
A man throws a ball.
There are at least three women in this picture.