3 4 5 6 7 8 9 =21 =21 =21 =21 =21 posted 00:59 : comments 21 • There are 21 underground stations inside the Circle Line . • Tower Hamlets is named after the 21 Hamlets Of The Tower : Bednal Green, Blackwall, Bow, Bromley, East Smithfield, Hackney, Limehouse, Mile End,