Busan Haeundae Doosan We’ve the Zenith is a complex of three residential towers which were completed in 2011. With 80 floors and a height of 301m, Tower A is the 8th tallest residential building in the world, and has been officially announced as the second tallest building in Korea, according to the Ministry of Land, Transport and Maritime Affairs. The Haeundae Doosan We’ve the Zenith consists of three residential buildings, a 70, 75 and 80 story building each, with 1,788 households in total and one office building on its 42,500 square metres (457,000 sq ft) site. The total construction work took 48 months from November 2007 to November 2011.
Links: en.wikipedia.org, en.wikipedia.org, skyscraperpage.com