Soon, in the restaurants of the world! The most expensive dish in the world is Edible bird’s nest , “Swallows’ nest” nest soup. From $ 1,000 per serving (2500 $ cho 1 Kg). The swallow’s nest is valuable for the Swallow-Salangans (lat. Collocalia) saliva enzyme, which contains a record amount of natural collagen. But, trong […]