坐京津城际高铁的人会发现,高铁在经过天津的杨村或北京的亦庄附近时,往往会降速,从将近时速300公里变成时速150公里左右;在北京高丽营地区的田野里,你可能会看到地面上裂开一个大口子。为什么高铁会降速?地面会裂口子?据科技日报报道,这主要是过量开采地下水“惹的祸”。京津冀地区是世界上最大的地下水降落漏斗,发生地面沉降的面积达到7万平方 People sitting on Beijing-Tianjin inter-city high-speed rail will find that high-speed railways tend to decelerate from around 300 kilometers per hour to about 150 kilometers per hour when passing by the Yangcun in Tianjin or near Yizhuang in Beijing. In the fields of the Gaoliping area in Beijing, , You may see a big hole in the ground. Why high-speed rail will slow down? Will the ground crack? According to Science and Technology Daily reported that this is mainly the excessive exploitation of groundwater “trouble.” Beijing-Tianjin-Hebei region is the world’s largest groundwater funnel, the area of ​​land subsidence reached 70,000 square feet