BEIJING, Jan 8 (Reuters) - A magnitude 5.5 earthquake shook parts of the Chinese province of Qinghai on Wednesday, with its epicentre located near the source of the Yellow River, the main natural ...
Beneath China’s unpredictable Yellow River, engineers built the world’s widest shield tunnel in a 110-day sprint. This video breaks down the custom TBM, the prefabrication strategy, and the ...