Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

中国地震台网正式测定：12月24日22时43分在宁夏银川市金凤区（北纬38.42度，东经106.24度）发生3.6级地震，震源深度12千米。