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The leading lines of the slide take your eyes right to the main point of interest.

The leading lines connect the principal points of the image.

Note how the girls head and body are placed in the image thirds

   
     
     
     
     
     
     
     
     
 

 

 
     
               
               
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    The leading lines of the pylons & the cables take your eyes straight to the main point of interest, the hazy sun and the chair full of people.

The line of distant chairs takes you through the image diagonally, adding depth.

   
     
     
     
     
     
     
     
     
     
     
     
     
         
         
               
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  The pathway and line of breaking waves leads you from the town to the people walking the dog.

Note the positioning of the people in the thirds & the way the path crosses two principle points diagonally. (see rule of thirds)

   
     
     
     
     
     
     
     
     
     
     
                 
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       The lines of the cables silhouetted against the sky take you through the depth of this picture.

Note the positioning of the pylons in the left & right thirds of the image.