资讯

In every city studied, at least 20% of the urban area is sinking – and in 25 of 28 cities, at least 65% is sinking. The ...
The US still dominates the global economy as the richest country in the world with a gross domestic product of $29 trillion — ...
A minor, 3.0-magnitude earthquake struck in Virginia on Tuesday, according to the United States Geological Survey. The ...
After Southern California was devastated by wildfires earlier this year, studies have revealed that some areas of the US are ...