<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.mradi huu utagharibu kiasi cha dola milioni 300 kwa pesa za kitanzania ni bilioni 660 na mradi huo utatekelezwa hadi 2020 na utakuwa umekamilika.  <response>: the city will cost 360 billion pounds, it will be the size of belgium, and it is expected to be completed by 2030. 