Muscat – One of the cleanest city in the world with attractive Landscape Leave a Comment / Muscat, Oman / By EC Hussain The capital city of Oman, Muscat, is one of the cleanest cities in the world with Attractive Landscape throughout the city. The roads are gonna tell this. Subscribe and Travel with Hussain Around the WorldYou can Travel to the World with Hussain for Free! Signup now and receive an email once I publish new content. I will never give away, trade or sell your email address. You can unsubscribe at any time.