sbs metro said it a 690 - meter - tall , 133 - story multifunctional buildings will be constructed in inscriptions - dong . once built , it will be the second most after the 800 - meter - high saarinen cardiff , which is under building , by south vietnamese developer samsung a & t . the construction will take more than 3 . 3 trillion won ( $ 2 . 37 billion ) , the city estimates . to raised funds , 23 regional developers issued an mou at a seoul hotel monday with city mayor oh seo - hoon attending . " the landmark building will helps make seoul more appealing and become a primary tourists attraction here , " o said . the multi-purpose building will have hotels , warehouses , department stores , convention centers and miscellaneous commercial facilities including an aquarium and movie theaters .
The highest skyscraper in the world is being built in Dubai.