We're INSIDE a Gold Bullion Vault. You can support us on Patreon: https://www.patreon.com/periodicvideos 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. Periodic Videos on Patreon: https://www.patreon.com/periodicvideos 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)