You know they had to put the sign there because this happened at least once.
If you ever wondered why there are “Do Not Enter” signs posted everywhere.
Don’t let the government tell you what to do: never obey construction signs!
'My father gave me much encouragement after I signed up for the competition. My family also think it's a very positive thing to do.'
This sign is an 'up punch' toward the self superior people who wear sunglasses indoors. In doing this, it is using those people's sense of self superiority to frame them as inferior. JOKE EXPLAINED.
Compass: Depending where you are for your polar expedition - the Poles could make for a trippy compass reading - this is a must. There are not many road signs to guide you along the way.