人們?cè)谠颇鲜〈罄碇萆诚?zhèn)北龍村先鋒沙溪白族書局看書（4月20日攝）。沙溪鎮(zhèn)位于云南省大理州劍川縣。自唐宋起，沙溪鎮(zhèn)便因豐饒的物產(chǎn)和平坦的地勢(shì)，成為茶馬古道上的貿(mào)易重鎮(zhèn)。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]

People visit a bookshop at Beilong Village of Shaxi Town, Jianchuan County, southwest China's Yunnan Province, April 20, 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)