Yangguan 阳关

"I advise you to drink a glass of wine, for the west of Yangguan there'll be no old friends"
During Han and Tang dynasty, Yangguan (Yang Gate) had been the west most base of Silk Road for westward caravans to stocking up vital supplies including food, liqure, medicine and water.
劝君更饮一杯酒，西出阳关无故人
汉唐时期阳关在丝绸之路是最西端的补给地。食品，药物，酒和水对于西行商队都是性命攸关。Okumaya devam et