This homage to 'film noir' takes us on a journey to the heart of 7,000 billion dollar secret. The Swiss banking industry holds a third of all global offshore assets, ring-fenced by ingrained conservatism and strict banking secrecy laws.

Accounting for half of the Swiss banking industry, two banks - UBS, and Credit Suisse - dominate the austere heart of this secretive world. Headquartered side by side on Paradeplatz in Zurich, they're said to own vast vaults beneath the square, containing gold, cash and enough secrets from around the world to feed myriad spy novels and thrillers.

The trailer for a movie that doesn't exist.

Photography by Mark Henley, from 'Bank on Us'. Produced by Anna Stevens at Panos Pctures.

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