It is harder still to understand the dramatic changes that would occur in the valley over the course of the 20th century, which created the city known today as the  Entertainment Capital of the World.  
Changes took place in the valley during the 20th century.
The city was created in the 21st century.
I can get out two or three books while my husband is traveling.
There is a man and a bike are in this picture.
tennis players are playing a match
They were happy to invite Stuart and work with him.
The boy is powering the merry go round with flatulence.
A young child is raking leaves after school.