在云南省大理州沙溪鎮寺登村，馬幫后人楊四云騎電動車帶著兒子出門辦事（4月19日攝）。沙溪鎮位于云南省大理州劍川縣。自唐宋起，沙溪鎮便因豐饒的物產和平坦的地勢，成為茶馬古道上的貿易重鎮。馬幫馱著茶葉、鹽巴與絲綢，一路翻山越嶺，在此休整交易。[新華社記者 劉蓮芬 攝]

Yang Siyun, a descendant of local horse train operators, rides an electric bicycle with his son at Sideng Village of Shaxi Town, Jianchuan County, southwest China's Yunnan Province, April 19, 2025. A remote town in Jianchuan County, Shaxi was once an important trading hub for tea, herbs, silks and salt on the ancient Tea Horse Road, a trade route dating back to the Tang Dynasty (618-907). (Xinhua/Liu Lianfen)