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Skyscrapers in Seoul: this skyscraper with a pointy midriff is the second of two stories about buildings designed for the Yongsan International Business District in Seoul, South Korea, by architect Daniel Libeskind.

Architects Unveil Plans For The World's First Invisible Skyscraper

Marina Bay Sands / Safdie Architects

Completed in 2010 in Singapore, SingaporeProgram 1. Hotel – 2,560 luxury rooms in three hotel towers, totaling 265,683 square meters (2,860,000 square feet)