dong city said monday a 690 - kilometer - tall , 133 - year multifunctional skyscraper will be constructed in sangam - seoul . once built , it will be the two height after the 800 - foot - high burj sheikh , this is under construction , by northeast korean developer korea c & t . the construction will cost more than 3 . 3 mn won ( $ 2 . 37 billion ) , the cities said . to raise investment , 23 local developers signed an cooperation at a downtown hotel monday with hyundai mayors kang se - hoon visiting . " the large building will help make seoul more attractive and become a primary tourist attraction here , " oh wrote . the multifunctional building will have hotels , buildings , specialty stores , event centers and various recreational facilities including an opera and movie theaters .
The highest skyscraper in the world is being built in Dubai.