 Nyora kupfuurira kweiyi ndima - Chivako chakareba muBosnia neHerzegovina parizvino Avaz Twist Tower muSarajevo. Yakareba uye yakapedzwa muna 2008. Chimwe chezvinhu zvakakurumbira zvikuru muSarajevo ndiyo UNITIC World Trade Towers, dzakagadziridzwa pashure pehondomumakore ekuma1990, asi pakutanga dzakapedzwa muna 1981. 