National Museum Launches Premiere of Documentary Film “al-Khanjar” Muscat, 2 Dec (ONA) —— The National Museum inaugurated today the premiere of the documentary film "al-Khanjar" produced by RT Arabic in collaboration with the Ministry of Information. The event was held under the patronage of Abdullah Nasser Al Harrasi, Minister of Information, and attended by several distinguished guests and individuals interested in media and museum affairs.