Ok, the opportunity presented itself to participate to this thread this morning, while I was riding home on the G318 towards Shanghai.

This is what I saw :
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I have to say, I was pretty impressed by the distance she traveled on that lane separation wall, 8 meters or so, impressive...
When she spotted me taking pictures, she came to see me and asked me where we were... So I told her we were on the Huqingping Gonglu, like the longest national road in China you know, and asked her how did she do it.

Her answer was typical, let's see if you gals and gentlemen here can guess it (won't be too difficult).... ;-))