Columbus Tower, also known as the Sentinel Building is a mixed-used building in San Francisco, California, completed in 1907. The distinctive copper-green Flatiron style structure is a San Francisco Designated Landmark No. 33. (Source: Wikipedia) Together with the iconic TransAmerica building, they complete San Francisco cityscapes in this neighborhood. This is a long exposure shot showing the light trails of the traffic at the busy intersection.
Swee Oh is an award winning fine art photographer based in the US with a main focus on architecture and interior photography. She also shoots seascapes, nature, street photography and portraiture. Her background in architecture, with interest in light, form, shadows and textures, deeply influences how she perceives the visual world and her style of photography.