Rubuta ci gaba ga wannan sakin layi - A Legacy na Expo 2010 Shanghai China
, Ranar Birane ta Duniya tana da nufin inganta sha'awar al'ummomin duniya game da birane na duniya, haɓaka haɗin gwiwa tsakanin ƙasashe don saduwa da dama da magance ƙalubalen birane, da kuma ba da gudummawa ga ci gaban birane mai ɗorewa a duniya. Ranar kiyayewa tana da alaƙa da Manufar Ci Gaban Dorewa ta 11, don sanya biranen "haɗaka, aminci, juriya da dorewa".