Labyrinth etiquette. 
Labyrinth etiquette. 
Labyrinth etiquette. 

Prior to the existence of this sign, I wonder if these two words have ever before collided in the history of the English language.

Labyrinth etiquette.
Labyrinth etiquette.
Labyrinth etiquette.

Prior to the existence of this sign, I wonder if these two words have ever before collided in the history of the English language.