Perhaps this will help:
 
http://www.forestry.gov.uk/forestry/HCOU-4ZLK35

http://www.nationaltrust.org.uk/main/w-vh/w-visits/w-events/w-features-story1.htm

And every one said, 'If we only live,
We too will go to sea in a Sieve,---
To the hills of the Chankly Bore!'
Far and few, far and few, Are the lands where the Jumblies live;
Their heads are green, and their hands are blue, And they went to sea in a Sieve.

Edward Lear
http://www.nonsenselit.org/Lear/ns/jumblies.html