The car is parked … the right side of the street.
On
The bullseye is right … the centre of the target.
In
The dog is standing … front of the door.
In
The tree is … the left side of the park.
On
There is a river … the two mountains.
Between
The mountains are visible … the background of the photo.
In
The flower is … the foreground of the picture.
In
The cat is sitting … the middle of the room.
In
The fish are swimming … the bottom of the ocean.
At
People are … the top of the mountain
At