About the third idea of movement ,the metal comes to my mind,and it was my main idea in movement. Talk about metal , they have two form in our life .The first one is solid state ,and the second one is liquid state.And the liquid metal only one is this word ,Hg.In our life, we can easy to see metal element ,such as fashion ,cosmetics or others.
Actually,most of metal are shiny . In my thoughts, the shiny metal would be change when we use different light . Therefore ,the neon light comes to my mine. When the metal fold together ,we use neon light could make them special. The light would change twisting line and reflection in metal.