9月21日, Ulan Bator 举办无车日活动, On September 21, Ulan Bator held a Car-Free Day to reduce traffic, promote health, and address pollution.

9月21日, 蒙古首都乌兰巴托(Ulan Bator)举办无车日活动, On September 21, Ulan Bator, Mongolia's capital, held a Car-Free Day to reduce traffic congestion, promote healthier lifestyles, and cut air pollution. 主要道路对所有车辆都关闭,创造了方便行人的空间。 Major roads were closed to all vehicles, creating pedestrian-friendly spaces. 这一举措是目前为解决该市重大空气质量问题所作努力的一部分,它强调可持续的交通和鼓励健身和环境意识的特色活动。 This initiative, part of ongoing efforts to tackle the city's significant air quality issues, emphasizes sustainable transport and features activities that encourage fitness and environmental awareness. 事件一年发生两次。 The event occurs twice a year.