<prompt> Bhala okuqhubekayo kwalesi sigaba - iDongtan yayihlelelwe ukuvulwa, enendawo yokuhlala yabantu abangu-10.000, ngesikhathi se-Shanghai World Expo  <response>: ngowezi-2010. Ngo-2050 kwakulindeleke ukuba idolobha libe ingxenye eyodwa kwezintathu yobukhulu beManhattan, elinabantu abangu-500.000. Nokho, lo msebenzi uye wephuza, futhi awukakhiwa. 