Knowledge about different aspects of the world,
One of the social norms that were observed was greetings between different nations. It was observed while standing in a queue. An Arab man saw another Arab man who apparently was his friend. They had extended greetings that included kisses on the cheeks and holding their hands for a prolonged period of time. , such warm greetings seem to be rareamong many people,
. this social norm signifies the difference in the extent of personal space well.