Beijing is consuming so much water it's causing the city to sink at an extreme rate.
A new study using satellite imagery and radar technology confirmed the ground level in the city is sinking by roughly four inches each year.
Beijing doesn't have enough water to begin with. It's the fifth-most water-stressed city in the world. Meanwhile, two-thirds of the water the city uses comes from the ground.
According to The Guardian, more than 10,000 wells have been drilled in the Beijing area, and when water from them is used, the nearby soil condenses and hardens.
The study's authors warned if groundwater continues to be pumped at excessive rates, the city's 20 million citizens could be in danger. The central business district is sinking particularly quickly, and the researchers predict trains could be affected.
More than 40 other Chinese cities have been found to be sinking as well. Shanghai, China's most populated city, has dropped more than 6 feet since 1921.
The huge expansion of skyscrapers and other heavy buildings in China has made the sinking worse.
Beyond China, Mexico City has sunk 32 feet in the last 60 years because of similar water consumption.
Both Mexico City and Jakarta, Indonesia, are sinking at a rate of roughly 11 inches per year.
This video includes clips from PBS, France 24, International Business Times, NTDTV, CCTV and images from Getty Images. Music provided courtesy of APM Music.
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