The vortograph, invented in the early 1900s by Alvin Coburn, was arguably the first form of abstract (or “non-objective”) photography. Very surreal ideas taking place with the use of spirals and cityscapes
How To Create Beautiful Bokeh Images. Photographer: Ursula Abresch. "In this tutorial, Ursula reveals how she shot and processed “Seedling” so you too can recreate this eye-catching effect..." http://iso.500px.com/bokeh-photo-tutorial/
Japanese photographer Shinichi Maruyama has an interesting series of photos simply titled, “Nude.” Each image shows an abstract flesh-colored shape that’s created by a nude subject dancing in front of the camera. Although the photographs look like long-exposure shots, they’re actually composite images created by combining ten thousand individual photographs of each dancer. The result is a look in which each model’s body is (mostly) lost within the blur of its movement.