四川
來源：科普中國
【友情提醒】
本文封面圖片來自我方版權圖庫
轉載使用可能引發版權糾紛
特別聲明：以上內容(如有圖片或視頻亦包括在內)為自媒體平臺“網易號”用戶上傳并發布，本平臺僅提供信息存儲服務。
Notice: The content above (including the pictures and videos if any) is uploaded and posted by a user of NetEase Hao, which is a social media platform and only provides information storage services.
