Secrets of the Central Line

Geoff Marshall reveals dozens of features and facts about London's Central Line that you probably didn't know. We start in Epping and head east to west across London... WELL DONE btw for clicking on 'Show More..' as not a lot of people often do. As you've done this, if you write 'The Central Line is the BEST!' in the comments below, it'll be a fun game to confuse all of those who haven't read this bit ...