seoul city said monday a 690 - meter - tall , 133 - floor multifunctional skyscraper will be constructed in sangam - dong . once built , it will be the second high after the 800 - meter - high jumeirah london , which is under construction , by south korean builder samsung f & t . the work will take more than 3 . 3 crore won ( $ 2 . 37 billion ) , the city estimates . to save funds , 23 local investors signed an mou at a seoul hotel monday with the councillor oh se - chul attending . " the landmark building will help turn seoul more inviting and become a traditional tourist theme here , " oh added . the mixed-use building will have hotels , headquarters , department stores , city centers and various recreational facilities including an aquarium and shopping theaters .
The highest skyscraper in the world is being built in Dubai.