OSMers were invited to run a mini mapping party at Brixton Market as
part of a tech themed event, which in turn is part of the wider
project called Spacemakers Brixton. Passersby were able to mark
improvements on the map with pins and yarn.
Brixton pin map is by Ciarán Mooney http://www.flickr.com/photos/20156581@N03/
and licensed cc-by-sa http://creativecommons.org/licenses/by-sa/2.0/deed.en