general of the international atomic energy agency, rafael grossi, was officially welcomed by behrooz kamalondi, the spokesperson of the atomic energy organization, upon his arrival in tehran. the director general of the agency will meet and discuss with some officials of our country during a two-day trip to tehran . the rasta comprehensive audio and video media exhibition is being held at the tehran international exhibition. and platform products it has a license from the regulation organization of surround sound and video. it has been set up in virtual space. those interested in visiting this exhibition can visit the tehran international exhibition from 9:00 am to 5:00 pm . 70 licenses have been issued for home theater and other simplified surround sound and image dogs. that people can refer to them with different platforms with different dogs, if someone is appreciated, for example, for childhood and adolescence in a specialized platform with child and adolescent content, which ms. ashna's imagination has provided a good opportunity for the exhibition, she can find the media of her choice. f