Abu Dhabi is situated on a peninsula that lies in the middle of the Persian Gulf coastline. Persian Gulf was the best location for pearls. Therefore, Abu Dhabi worked in the pearl business and traded with others. Abu Dhabi is a metropolis and one of the most expensive city in the world. It has experienced rapid development and urbanization, combined with the relatively high average income of its population. No wonder you will see many high-rise buildings or skyscrapers.
The fourth most populous city in Philippines, Davao is a center of Metro Davao. The city presence as the main trade, commerce, and industry hub of Mindanao. Davao is the home to Mount Apo, the highest mountain in the Philippines. The city is offering a large number of cultural-heritage sites, such as Davao Museum or the Mindanao Folk Arts Museum.