Having crossed the Thames in the foot tunnel, Mr Monkey realised he was now on the wrong side of the river, so he quickly ran to the Woolwich ferry. Luckily for Mr Rik, this is free, even for monkeys. Cars and trucks ride on the top of the ferry, and pedestrians go inside.
You can read about the long history of the Woolwich ferry at this Woolwich Free Ferry website.
Copyright Rik Shepherd and Mr Monkey.