This is a bit off topic but nevertheless an enduring mystery.
It has to do with those round metal disks (previously called manhole covers,
what they are called now, I don't know) which are installed on city streets in
great abundance. And, they are placed in exactly the right spots so that both
the right and left side wheels will (and encounter them if you drive properly
in your lane. In addition, they also serve to:
#1. Cause tire, shock, and suspension damage when you drive over them (for they
often sink into the roadway)
#2. Cause you to drive like a drunk (and risk collisions) if you don't want #1.
#3. Cause major traffic disruptions when city workers feel the need to go down
into them (which usually occurrs on the busiest sections at rush hour).
The mystery is: Why not just put them on the sidewalks and avoid all of the
above?
Is it actually part of a worldwide social experiment in stress induction and
management in the population at large?
Is it an attempt at humor in a, perhaps, otherwise mundane job?
Perhaps Tipsters have an idea. It seems an enduring mystery of human nature! :-)
--Mike
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