Tourism in the Arab world visitors include sunning, swimming, kite-surfing, diving, snorkeling, boating, surfing, beach combing and shell collecting. The beaches are popular with families, walkers, and joggers. They are lined with restaurants, snack bars and cafes. Desert safari is becoming a very popular activity; it can be either done on camels or by four-wheel drives. Nearly every Omani city and town has its own fort. Most of them were built or had major expansions during Al-Yarubi dynasty rule of Oman in between 1624 and 1744. They represent the fine Omani architecture and prosperity at that time. In times of war and with high and
Protocol for Limiting and Regulating the Cultivation of the Poppy Plant, the Production of, International and Wholesale Trade in, and Use of Opium exclusively to medical and scientific needs". It did not receive sufficient ratifications to enter into force until 1963, by which time it had been superseded by the 1961 Single Convention on Narcotic Drugs. Protocol for Limiting and Regulating the Cultivation of the Poppy Plant, the Production of, International and Wholesale Trade in, and Use of Opium The Protocol for Limiting and Regulating the Cultivation of the Poppy Plant, the Production of, International and Wholesale Trade in, and Use of Opium, signed on 23 June 1953 in New York City, was a drug control treaty, promoted by Harry J. Anslinger, with