WikiLeaks' Swedish bunkers

The US has said that it was investigating the ongoing cyber attacks against the websites of companies that have cut ties with WikiLeaks, the Whistle-blowing website.

In recent days, supporters of the website have hacked into the websites of companies like Mastercard, Visa, and Paypal after Wikileaks itself had become the victim of similar attacks.

But as Nazanine Moshiri discovered, the secret to its survival lies deep underground in Sweden.