If you think your money and other valuables are not safe enough in a traditional Swiss bank, you can safeguard them in an Alpine vault – but only if you're ultra-rich. In the village of Lungern, in canton Obwalden, an entrepreneur is excavating a high-security vault to house the assets of the world's multi-millionaires. Twenty caverns, which are being dug deep into the rocky Brünig massif, will have a level of security comparable to that of the Swiss National Bank (SNB). According to Henri, his company receives around 100 enquiries every week from all over the world seeking data accommodation in Swiss bunkers. READ MORE: Switzerland considers reopening its old military bunkers