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 ...

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.