50年前,印度德里大约有35%以上的人选择自行车作为出行工具,但在今天,这个数字已大幅缩减。随着城市的现代化建设,越来越多的道路被拓宽,越来越多的人选择将汽车作为出行的交通工具,随之而来的却是出行高峰时段的拥堵以及大面积的空气污染。在印度,轻便的自行车因拥有机动性强、空间占有率低等优势,深受中老年人的欢迎。随着健康问题被人们越来越重 Fifty years ago, more than 35% of people in Delhi, India, chose bicycles for travel, but today the figure has drastically reduced. With the modernization of the city, more and more roads have been broadened. More and more people choose to use the car as a means of transportation, followed by congestion during rush hour and large-scale air pollution. In India, lightweight bicycles are popular among middle-aged and elderly people due to their mobility and low space occupancy. With the health problems are more and more people