<prompt> Nyorai kupfuurira kweiyi ndima - Maguta mazhinji munyika akakurudzira mapurojekiti anoomerera kumitemo yekugadzira yeiyo arcology pfungwa, seTokyo, uye Dongtan padyo neShanghai. Basa reDongtan ringadaro rakakundikana, uye harina kuvhurwa nokuda kweShanghai World Expo  <response>: muna 2010. 