Aizhai Bridge, Hunan Province, China (© Imaginechina/Corbis)
comments,
- Just a couple years ago, the world\s largest...""Tunnel-to-tunnel bridge opened to traffic
- We\re in the south-central region of a large nation...""Near a city tucked into the mountains
- The foothills connected by the bridge lead up...""To a beautiful mountain range
- To get some real perspective, we should look at this triumph of engineering...""From a few other angles
