Just as many of New York City’s most iconic landmarks rose in breathtakingly brief succession a century ago, Beijing has been re-inventing itself since 2001 with a rush of showstopping buildings by internationally renowned architects: Jacques Herzog and Pierre de Meuron’s National Stadium, Steven Holl’s Linked Hybrid complex, Rem Koolhaas’s China Central Television headquarters, and Norman Foster’s Terminal 3. On the eve of a controversial Olympics, Kurt Andersen sees China’s true promise in a more enduring spectacle of daring commissions, bravura engineering, and creatively humanistic design.