Seoul unveils to the public next Friday what is likely to be South Korea's most controversial building in recent memory.

Designed by Pritzker-winning Iraqi-British architect Zaha Hadid, the seven-story Dongdaemun Design Plaza is the world's largest asymmetrical free form building, according to its operator Seoul Design Foundation. With a floor area of 86,574 square meters (931,875 square feet), the structure spans three underground levels and four above ground, and occupies a site of more than 25,000 square meters -- equivalent...