Add Yahoo as a preferred source to see more of our stories on Google. bird's nest soup in a white bowl - CatherineScarlett/Shutterstock Since the 1500s, Chinese ...

As I swallowed another spoonful of bird spit soup, I wondered, not for the first time, about what makes people prize one dish above all others.

Following is a transcript of the video. Narrator: Bird nest soup. It's a gelatinous mixture, made from, you guessed it, bird nests. You can find it on the menu at certain Chinese restaurants like at ...