Open windows in the Northern and Victoria line cause great air pollution inside the trains.

---

Size: 7360px × 4912px
Photo credit: © Anja Riedmann / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: air, breath, breathing, britain, car, caution, circulation, cities, city, dangerous, death, england, gas, harm, harmful, health, illness, line, london, lungs, northern, open, oyster, particle, particles, people, poisoning, pollution, public, sick, sign, signs, smog, tfl, threat, train, trains, transport, travel, traveling, tube, underground, unhealthy, urban, ventilation, window, windows