<prompt> Bhala okuqhubekayo kwalesi sigaba - iMilan, e-Italy, ibibambe iWorld Expo yakamuva ngo-2015  <response>: , kanti iNur-Sultan, eKazakhstan, ibibambe i-Specialised Expo yakamuva ngo-2017. IDubai, e-United Arab Emirates, yakhethwa ukuba isingathe i-World Expo elandelayo ngo-2020, kodwa ngenxa yobhadane lwe-COVID-19 yahlehliselwa u-2021. IBuenos Aires, e-Argentina, eyayikhethiwe ukuba isingathe i-Specialised Expo elandelayo ngo-2023, yamemezela ukuhoxa kwayo ngaphandle kosuku olusha. 