[word=□]
[word=nomadic]
Unlike other ethnic groups in the area , the entire population of the Vlachs are nomadic and have long been shepherds and muleteers . Besides , the exhibition is intended to bring out the degree of interaction and mutual influence between different cultures , their openness , the variety of contacts ( military , economic and diplomatic ) between nomadic and urban civilizations , between the Scythian , Greek and Iranian worlds . In the cultural sense , Arab refers to those who have come to speak Arabic as a home language and , sometimes , to those who are nomadic in lifestyle . At these special nomadic schools , the teachers travel with the nomadic communities and hold lessons in a tent , under trees or in a temporary structure . For centuries it was used by nomadic Indians , who found water and game plentiful here .