A stone marker set up on a roadside to indicate the distance in miles from a given point.
A stone marker set up on a roadside to indicate the distance in miles from a given point.
里程碑，里程标路边所设立的石制标志，以英里指示从给定的一点到该路标的距离
A stone marker set up on a roadside to indicate the distance in miles from a given point.
里程碑，里程标路边所设立的石制标志，以英里指示从给定的一点到该路标的距离