Through all of that, a two-year design process was shortened to six months, and the entire effort was completed within thirty months. A sixteen-lane highway was replaced by an urban boulevard and a spectacular 3.6-mile river park.26 A few years later, the river’s ecosystem had been significantly restored, an urban heat island had its temperature reduced by more than five degrees, and traffic congestion had dropped sharply—thanks in part to simultaneous investments in transit. As of this writing, property values surrounding the former highway have risen 300 percent. And Lee Myung-bak has been
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