10:01How mountains of worm cocoons are turned into expensive silk in Vietnam16:10How Africa's first caviar won over Michelin-starred restaurants in Europe16:10How Africa's first caviar won over Michelin-starred restaurants in EuropeSo Expensive Food season 2 marathon13:04Fake Rolexes are dangerous in the $20 billion used watch market. How do dealers spot them?16:45Mezcal is now the fastest-growing liquor in the US. Why aren't Mexican producers cashing in?How 1.5 million aloe vera leaves are harvested a week
