Photos: A tech trek in Beijing

Nope, that's not U.S. Highway 101 in Mountain View, Calif., on a Monday morning. That's Beijing's Fourth Ring Road, filled with commuters headed for the city's primary technology district, Zhongguancun. Beijing has five ring roads circling the sprawling city, and those roads have quickly become as choked with traffic as anything that New York, Atlanta or Silicon Valley has to offer.

Photo by Tom Krazit/CNET News.com