Amin Moazzen: The building is inspired by a type of cactus called Crassula which is a symbol of love for nature, peace, alliance, endurance,quiet life and survival.The distinctive feature of this building, which is designed according to the concepts of bionics and sustainability and the circular model, is its pyramidal shape, which is reminiscent of one of the prototype of pyramidal architecture called Choghaznabil Ziggurat in Iran. We tried to design a unique building using proportions in nature and combining it with ancient Iranian architecture.