Tuhia he haere tonu mō tēnei wāhanga - I whakamaherehia te whakatuwheratanga o Dongtan, me te noho mō te 10,000 tāngata, i te wā mo te Shanghai World Expo
i te tau 2010. I te tau 2050, ko te tūmanako kia kotahi te tuatoru o te rahi o Manhattan, me te katoa o te taupori e 500,000. Heoi, kua taka te kaupapa, ā, kāore anō kia oti te hanga.