3. Until 1966, there were very few foreigners living in Dubai. Today

Until 1966, there were very few foreigners living in Dubai. Today most of its citizens come from different parts of the world 88.52% are expatriates and immigrants.

Explanation:

The history of Dubai shows how it has transformed into one of the most important economic and business centers in the world. All this has caused the rapid increment in population coming from other countries and settling there to grow business and develop economics as it provides the best possibilities of international communication.

they would have to clean it very clean