A very interesting data visualisation project of all buildings of the Netherlands by developer Bert Spaan from Waag Society.
The data for this map are from the ‘Basisregistraties Adressen en Gebouwen’ (BAG). Dutch municipalities are delivering the basic information, the Dutch register, ‘the Kadaster’, administrates the data. If there are any mistakes of the data, people can report and omissions themselves at the Kadaster. By doing so, they contribute to the project and make it a crowdsourced map!
Read more: The Netherlands from a new perspective By Bert Spaan Waag Society , Ron Boonstra, September 02, 2013.