Secrets of the DLR

Continuing our 'Secrets' series, we've done all the tube lines now but there's still the Docklands Light Railway! So Geoff Marshall gives us a whistle-stop tour of the curiosities to be found on London's DLR. Geoff has also made "More Secrets of the DLR" follow up Video! That's here: https://youtu.be/0pypCxyUptY