The view north from Snowdon mountain to Llanberis village and lake, with the Snowdon Mountain Railway tracks descending the ridgeway, in Snowdonia National Park, Wales.
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.
