In part of London a huge collection of rocks has appeared snaking through Bursted woods, painted and laid spontaneously by local families. Sally Williams went to see it for herself on a rainy day in the capital.
Members of the public are being urged to vote for their favourite tree in the Tree of the Year competition - London has three contenders.
A mix of London living and Essex countryside, we take a look back through the history of Upminster and trace back to its early days.