13 May 2011
Last updated at 20:00 ET
By Jon Manel
BBC Radio 4
The government has, until recently, kept the contents of its wine cellar a secret. A rare tour reveals some vintage treasures.
It lies beneath a grand London mansion, owned by the Queen and leased to the government. It contains around 39,000 bottles of wines and spirits. For years, details of what was in it were shrouded in secrecy, even though it has been funded by the British taxpayer.