你的外国笔友Kathy 听说深圳建设了许多绿道，写信来询问有关绿道的情况。请你按以下要点写一封回信，告知她相关细节。

长度	绿道总长度约2400千米
地点	一般修建在公园里, 海边, 山上
修建绿道的好处	1.美化城市, 完善基础设施; 2. … 3. ...

提示词:绿道greenway n. 长度length n.基础设施infrastructure n.

要求：1）要点齐全，至少补充两个好处，并做适当发挥;

2）条理清晰，语句通顺，书写规范;

3）字数80词左右，开头和结尾已给出，不计入总词数。

Dear Kathy,

You asked me about the greenways in Shenzhen last time. You know that Shenzhen has built a lot of greenways.     ▲   

Do you want to come here and have a look? l hope to hear from you soon.

Yours truly,

Li Hua