有人说，在国外，对骑行最友好的城市之一是阿姆斯特丹。在国内，成都将成为骑行者的天堂。 最近，成都环城绿道上来了个外籍蓉漂，他不仅想要拉满整圈100km，还准备给大家分享他的骑行攻略。 some people say that one of the most cycling-friendly cities abroad is amsterdam. in china, chengdu may become a cyclist's paradise in the future. here's a rongpiao from abroad who comes to the chengdu around-city greenway. not only does he want to make a full lap of 100km, but he is also ready to share his riding tips with you.