London 2012 Festival on a shoestring

A virtual orchestra. A literature labyrinth. A water-bound opera. A pop-up puppet workshop.

Just a few of the events offered by London 2012 Festival organisers.

But how much culture can a person soak up in the city in a single day, for nothing?

Wearing my most sturdy footwear, I armed myself with an umbrella for that unpredictable British summer and traversed the capital from the west to east to find out.