Mission: Thames Episode 4 - Every Crossing of the River Thames! 

Welcome back to another episode of Mission: Thames, the mammoth project to complete every single crossing of the river Thames, from the mouth at the Thames Estuary, all the way to the source.
If you haven't seen parts 1,2, or 3 yet, here they are linked respectively:
• Mission: Thames E1 - e...
• Mission: Thames Part 2...
• Mission: Thames Episod...
In this video we finally make our way through central London, crossing lots and lots of crossings in close succession of one another, whether they be road bridges or tube tunnels!