Common sense isn’t always common

Here’s some examples from Munich of what might seem to obvious and common sense to the one audience, but not to others.

Traffic lights that have four lights, with the symbols –, O, I and K:

Pedestrian crossing lights that have two people instead of one:

The second set of lights is still comprehendible (hold the hand of the person next to you, whilst you’re waiting to cross the road 😉 ), but the first set didn’t make sense to even the (non-Bavarian) German members of our party.