长白山天池，位于吉林省延边朝鲜族自治州。站在长白山巅，眼前天池碧波荡漾，如临仙境，景色之美令人陶醉。天池清澈见底，宛如翡翠或蓝宝石镶嵌在山间，又似一面大镜子，静静地映照着蓝天白云和周围的群山，美如画卷。Changbai Mountain's ...

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 ...