div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=better-cycling-in-chinahtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Better cycling in China loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentsusreader031viewer2022020523575068911a28ab0f07b0c0e7html5thumbnails1jpg width=140 height=200 divp© 1993 Nature Publishing Groupp div class=annotation div class=annotationTitleanudiv div class=annotationContentsIMAGE UNAVAILABLE FOR COPYRIGHT REASONSdiv divdiv