The airport is a theater in itself. If you closely observe faces, you will find the story in each one. Some are flying for vacation, some for work, and others for many reasons. One thing is common to all: everyone is in a rush at all times.
Airports have a history in themselves as well. Sometimes, you walk away with remorse/fight or call it a quit, and many others in a cheerful moment, to meet the love of your life or to save your falling business.
The faces, expressions, and emotions run all-time high. I have witnessed many of these emotions in myself.