LONDON - MAY 1: Travelers wait at Oxford Circus underground station on May 1, 2012 in London. London Underground is the 11th busiest metro system worldwide with 1.1 billion annual rides.
- Image ID: 120493078
- Release Information: Editorial Use Only. Use of this image in advertising or for promotional purposes is prohibited.
- Editorial Credit: Radoslaw Maciejewski / Shutterstock.com
- Copyright: Radoslaw Maciejewski