Ikigega cya Expo Icyoronyezi gifite impande umunani—imiterere y'uburinganire yatoranijwe na Nikola Tesla ku munara we—yatumye hashyirwaho igishushanyo cy'urubuga rw'ikigega kidasanzwe. Mu kubaka ubundi umunara ukoresheje ikoranabuhanga rikoresha neza ingufu no gutuma urubuga rwo kureba rube ikintu cy'ingenzi cyarwo, itsinda ry'ububiko ririmo ibigega umunani byateganijwe guzengurutsa ishingiro ry'umunara rifite impande umunani. Iyi mishinga ishya ishobora kuba ikimenyetso cy'ejo hazaza ku kibanja icyo ari cyo cyose cy'imurikagurisha mpuzamahanga. Atrium ifite ibirahure, ishyigikiwe n'inkingi zifite imiterere y'umurabyo, yongeraho ikintu cy'ikigereranyo kandi kigaragara cyane.
Izina ry'umushinga : Octagon, Izina ryabashushanya : Dr Aleksandar Rudnik Milanovic, Izina ry'abakiriya : Studio RUDA.
Igishushanyo cyiza nuwatsindiye igihembo cyumuringa mububatsi, kubaka no guhatanira imiterere. Ugomba rwose kubona ibihembo bya bronze byegukana ibishushanyo mbonera bya portfolio kugirango umenye ibindi byinshi bishya, bishya, byumwimerere kandi bihanga imyubakire, inyubako nuburyo bwo gukora.
