The inner workings of Swiss refineries, where two thirds of global gold is processed

The BBC provides a brief yet fascinating glimpse into the secretive world of the Swiss gold refining industry, where two-thirds of the world's gold is processed.

Switzerland's gold refining industry is set to flourish in 2013, with the precious metal hovering at record highs and many predicting a "golden age for gold" due to increased investor concern over the health of the global economy.

Clip courtesy of the BBC and Youtube