seoul cities said monday a 690 - metre - deep , 133 - room multifunctional skyscraper will be constructed in vaishnava - district . once built , it will be the 3rd highest after the 800 - meter - taller burj dubai , although is under construction , by south koreans contractor samsung c & t . the skyscraper will cost more than 3 . 3 trillion won ( $ 2 . 37 billion ) , the government claims . to increase funding , 23 individual developers forged an mou at a korean beach november with seoul mayor oh se - hoon attending . " the skyscraper property will assistance make chicago more attractive and become a local popular attraction here , " oh asked . the multifunctional building will have accommodation , offices , department stores , convention centers and diverse recreational facility including an aquarium and movie theaters .
The highest skyscraper in the world is being built in Dubai.