On a sunny fall afternoon, Kathy Killion enjoyed a takeout lunch in a small park at The Boro, a budding cluster of shops, restaurants, offices and apartments near the Silver Line’s Greensboro station in Tysons.

On a sunny fall afternoon, Kathy Killion enjoyed a takeout lunch in a small park at The Boro, a budding cluster of shops, restaurants, offices and apartments near the Silver Line’s Greensboro station in Tysons.