Cover Credit: NEW YORK: AMANDA HALL—ROBERT HARDING WORLD IMAGERY/GETTY IMAGES; DBIMAGES—ALAMY; ALAN SCHEIN PHOTOGRAPHY—CORBIS; LONDON: CONSTRUCTION PHOTOGRAPHY—CORBIS; PNC—BRAND X/CORBIS; ALEX SEGRE—ALAMY; HONG KONG: REED DAESTNER—CORBIS; STEVE ALLEN—THE IMAGE BANK/GETTY IMAGES; SO HING-KEUNG—CORBIS; PHOTO-ILLUSTRATION BY DENNIS WONG