We're INSIDE a Gold Bullion Vault.
The Bank of England protects about £197 billion ($315bn) worth of gold, according to the mostly recently published figures.
Film by Brady Haran. Featuring Professor Martyn Poliakoff.
The vaults are off limits, but the Bank of England Museum will let you lift a real gold bar: http://bit.ly/TJ4BVk
More of our videos about gold: http://bit.ly/Re3Lkp
More chemistry at http://www.periodicvideos.com/
Follow us on Facebook at http://www.facebook.com/periodicvideos
And on Twitter at http://twitter.com/periodicvideos
From the School of Chemistry at The University of Nottingham: http://www.nottingham.ac.uk/chemistry/index.aspx
Periodic Videos films are by video journalist Brady Haran: http://www.bradyharan.com/
Brady's other channels include:
http://www.youtube.com/sixtysymbols (Physics and astronomy)
http://www.youtube.com/numberphile (Numbers and maths)
http://www.youtube.com/DeepSkyVideos (Space stuff)
http://www.youtube.com/nottinghamscience (Science and behind the scenes)