Whether you're looking for Jersey tomatoes, apples from upstate New York, or fresh fish caught off Long Island, you'll find it at the Union Square Greenmarket, the center of New York's regional food scene. And chances are the person selling you the food is an immigrant. We sent a group of journalists and writers in our fellowship program to Union Square, equipped with recorders and microphones. They produced a series of audio postcards for this episode of the FI2W podcast.