They also can foster economic activity , such as window shopping and sidewalk cafes .
Sidewalks serve a traffic purpose , by making walking easier and more attractive , but they also serve a social function , allowing neighbors to meet and interact on their walks .
neighbors also can foster economic activity , such as window shopping and sidewalk cafes .
Sidewalks serve a traffic purpose , by making walking easier and more attractive , but they also serve a social function , allowing neighbors to meet and interact on their walks .