<prompt> Bhala okuqhubekayo kwalesi sigaba - Amadolobha amaningi emhlabeni aye aphakamisa amaphrojekthi anamathela ezimisweni zokuklama zomqondo we-arcology, njengeTokyo, neDongtan eduze kwaseShanghai. Kungenzeka ukuthi iphrojekthi yaseDongtan yawa, futhi yahluleka ukuvula i-Shanghai World Expo  <response>: ngowezi-2010. 