Boston, Massachusetts - June 25, 2006: A Boston 'T' subway commuter train crosses the Longfellow Bridge over the Charles River while Downtown Boston is shrouded in fog.
London, England, UK - February 2, 2014: A London Underground District Line train passes through a cutting at Gunnersbury in West London, beside the Russian Orthodox Cathedral of the Dormition of the Mother of God and the Royal Martyrs.
Manchester, England, UK - June 16, 2012: A First TransPennine Express Class 185 diesel passenger train runs across a scruffy brick viaduct beside the Bridgewater Canal in the Castlefield neighbourhood of Manchester.