![](http://www.alamy.com/thumbs/6/75EDF58B-6568-4F79-877D-321EC9C37F84/CN05XD.jpg)
Bart San Francisco Bay Area escalator.
Bart San Francisco Bay Area escalator.
Size: 4256px × 2818px
Location: San Francisco Bay Area, California, USA
Photo credit: © Nathan Smith / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: escalator, shoes, tennis