Dalian is a gateway port city in the Northeastern Three Provinces of Jilin, Liaoning, and Heilongjiang in China. A 7.5-mile ...

This summer, China is expected to open ... a 34-mile highway that connects three major cities across the country. The bridge features six lanes and four tunnels, one of which is underwater.

The world's longest high-speed train, also in China, is the Beijing ... when on October 22 one of the tunnels of the line broke through the seawall, enabling underwater construction to begin.