contrast: the colors in this photo contrast well with the white blue and green.
emphasis: this is emphasis because the blue really stands out from the grass
unity: this photo comes together well by the similarity in the fence pegs.
Movement: this demonstrates movement by the flow of the water.
this photo is pattern in how the steel guarders repeat down the line
balance: the post resembles balance in how it centers within the trees.
My choice: i liked this photo shows emphasis the cars.
personal choice: i like this photo because it is both line and emphasis.
gLike
principles of design

1. contrast
2. balance
3. emphasis
4. unity
5. movement
6. pattern/ repetition