Sukadana, a small coastal city in western Borneo, is in the midst of a building boom. But the new houses are not for people. They are giant birdhouses playing an all-day siren call through booming speakers to a small bird whose edible nests — at almost $1,000 a pound — produce a broth that is highly prized, and highly priced, in China.
via Edible-Nest Swiftlet Industry Growing in Indonesia – NYTimes.com.