The Rainbow Bridge built in the NOVA program "China Bridge" is just one of many important inventions that appeared during China's impressive Song Dynasty (A.D. 960-1280). This vibrant period in ...

LI YU/FOR CHINA DAILY At Jixian county in southwestern ... glistening icicles hang from the shore cliffs. On sunny days, a rainbow bridge reaches out to Shaanxi's Yichuan county on the other ...

The Rainbow Bridge connects both sides ... The world's tallest mountain is shared by Nepal and China (Tibet Autonomous Region). Climbers can take different routes from either side.

NOVA: We can't end our discussion of innovations of the Song Dynasty without mentioning the Rainbow Bridge that the team of NOVA experts reconstructed in "China Bridge." Yates: That's right.