gǔ dài / xī nán dì qū de / mǎ bāng / chuān yuè / shēn shān / yùn sòng / chá yè / hé / shí yán

古代西南地区的马帮穿越深山，运送茶叶和食盐。

The horse caravans in ancient southwestern China crossed the deep mountains to transport tea and salt.