Mayor Sadiq Khan plans solution to London's historic air pollution problemAbove left, a van checks London air and noise quality levels on Westminster Bridge in 1971 (Photo: Collage - The London Picture Archive);...
Lights out at Piccadilly CircusPiccadilly Circus today (Lisa Nordbo Fiil) and with the Shaftesbury Memorial boarded up with advertisements during WWII If you've braved...