She could watch people coming and going to all the different shops while at the beauty salon because it was located where?\nOptions:\n- picking clothes\n- clerk\n- strip mall\n- beautifying hair\n- neighborhood
A step-by-step solution is:
strip mall
A strip mall is a open-air shopping center.

The stores in a strip mall are arranged in a row with a sidewalk in front.

People generally come and go to different shops by walking on the sidewalk.

She was in a beauty salon in one of the stores beside the sidewalk.

.

The final answer: strip mall