The new spiral stair at the Wellcome Trust building near Euston Station in London. Photographed and processed to B&W all on my iPhone using Snapspeed.
The Exif seems to have been removed but here's the data:
Camera: Iphone 6
Aperture: f2.2 (fixed aperture)
Shutter Speed: 1/33 second
Like what you see here and are interested in photographic composition?.....the blog section of my website now has a complete set of 5 articles covering my personal approach to the subject: Ian Bramham Photography - Blog
For purchasing high quality archival prints of any of these photos you can send me an email by clicking here or by going to my website Ian Bramham - Fine Art Photography where prices are listed in the gallery sections under each individual photo.