seoul cities said today a 690 - meter - tall , 133 - story multifunctional skyscraper will be constructed in sangam - tong . once built , it will be the ninth highest after the 800 - foot - high burj london , which is under construction , by southeast korean developer samsung c & t . the construction will cost more than 3 . 3 trillion won ( $ 2 . 37 billion ) , the city estimates . to raise funds , 23 local developers signed an mou at a seoul hotel monday with seoul mayor oh se - hoon attending . " the landmark skyscraper will help shape seoul more attractive and into a permanent visitor event here , " oh said . the multifunctional building will have hotels , shops , department stores , exhibition centers and various recreation venues including an aquarium and movie theaters .
The highest skyscraper in the world is being built in Dubai.