the complex also includes gohershad mask. museum, library, the rasav university of islamic sciences, imam riza's devotion to peace and harmony, and that relationship has prompted the artists who designed the place to make it most beautiful as well as religious. the architecture of a religious buildings follows the principle of unity in the diversity." it's a principle in architecture, according to which everything must be at service of one single being. the aim is to create a sense of oneness. even early architects of this construction were fully aware of this principle. they wanted to feel in front of a superior being. despite all the complexities in design, form and color, and then invoke. the holy grave is located under an amazing golden dome, the mirror work and the holy burial chamber under the dome is one of the finest in the world. the holy grave itself is inside a zi or a cil grill, which is also one of the finest examples of iranian islam. arts in the year 2000, engineer was chosen to organize the construction, expansion and replacement of the old z. as a servant, he consider