Swallow's Nest Soup - most rare and exotic dishes in the world

Swallow's Nest Soup
One of the most rare and exotic dishes in the world - the well-known Chinese soup from swallow's nests. For 400 years which have passed from the date of the invention of a dish, it has risen in price in times: the broth from the nest of sea martins-collocalia can cost to gourmets in the 10 thousand dollars.

This is main ingredient of Swallow's Nest Soup