It’s an old photographic trick, set a relatively long exposure time and move the camera while pressing the shutter and after, you get blur. But, if you’ve got focus on the subject you might just get some nice abstracts. Here are a few efforts in a local woodland (Fen Reeves Community Wood). Most of the photos were down swinging the camera vertically either up or down. The second-last one below, above the orange and brown Autumn Leaves, one is a horizontal swing.