some early set pics and article of hbp filming.Gloucester.

http://www.thisisgloucestershire.co.uk/displayNode.jsp?nodeId=231771&command=displayContent&sourceNode=231754&home=yes&more_nodeId1=231776&contentPK=19677788

http://www.londontaxitour.com/LondonTaxiTour.Com-Harry-Potter-Filming-Locations-The-Half-Blood-Prince.htm