...is the one you have with you.
That being an iPhone.
This was a striking alleyway entrance to a bar that immediately caught my eye. The shapes and texture were all really cool. Carrying around an $X,XXX DSLR camera and lens all the time? Not practical. But a cel phone with a decent (all things considered) camera certainly takes a better picture than nothing at all.
Captured and processed in camera using a couple of apps.