John W. wrote:

> What I've always found interesting is that people tend to
>  walk on the right side of the sidewalk

Don't you mean the *left* side? If they drive on the left, surely you'd
expect them to walk on the left? (In practice, they walk in totally random
fashion, as the fancy takes them.)

>  escalators, etc.

Well, escalators are different. People *do* walk on the right, and stand on
the left, so they use the right side for overtaking, just like cars on the
road.

--
John
http://rarebooksinjapan.com