An increasing number of cities are transforming their downtown areas into car-free zones open only to pedestrians, aiming to improve air quality and encourage walking. However, critics argue that this trend may lead to economic decline and inconvenience for residents who rely on motor vehicles for commuting. Should private cars be completely banned in city centers, or should this shift be limited to certain times or areas? Please state your position, provide reasons, and support your viewpoint with specific examples.
