blue-bridge post-station see 'yuan jiu' poem, Bai ju yi 藍橋驿見元九詩 白居易

blue-bridge spring snow the day you return
Qin mountain autumn wind the time I go
at post-station always go off the horse first
along the wall around the pole seek for your poems

藍橋春雪君歸日，秦嶺秋風我去時。
每到驿亭先下馬，循牆繞柱覓君詩。