乐亭县历史悠久，早在新石器时代晚期就有人在这里繁衍生息。

Laoting County has a long history, as early as the late Neolithic period some people thriving here.

youdao

乐亭县历史悠久，早在新石器时代晚期就有人在这里繁衍生息。

Laoting County has a long history, as early as the late Neolithic period some people thriving here.

youdao