庾

大庾岭

dà yǔ lǐng

Dayu mountain range between southwest Jiangxi and Guangdong

庾信

yǔ xìn

Yu Xin (513-581), poet from Liang of the Southern dynasties 南朝梁朝 and author of Lament for the South 哀江南賦|哀江南赋