What are the poems describing "seeing a friend off"?

farewell to vice-prefect du setting out for his official post in shu by Wang Bo in Tang Dynasty

by this wall that surrounds the three Qin districts, through a mist that makes five rivers one. We bid each other a sad farewell, we two officials going opposite ways. The world is but a little place, after all. Why should you linger at the fork of the road, children * * * with towels.

seeing friends off by Li Bai in Tang dynasty

with a blue line of mountains north of the wall, and east of the city a white curve of water. Here we say goodbye to each other, and you, like fatherless, drift in the wind, and travel far away. Floating clouds like a wanderer, like wandering, sunset slowly down the mountain, seems to have nostalgia. The wave of his hand from this separation, the friend riding on the horse will carry his long journey, the long Blew, it seems to not bear to leave.

seeing friends off to Shu by Li Bai in the Tang dynasty

It is said that Can Cong Road is rugged and difficult to walk. The cliff rises abruptly from the face of the human face, and the gas rises with the rise of the horse's head. The flowering trees cover the path of the qinruchuan river, the river flowing around the river, and the capital of Shu. Your advance and retreat have been settled, and you will not be asked to ask the kunpei of the good.

Bai Juyi's Farewell to the Prairie Grass in Tang Dynasty

boundless grasses over the plain, come and go with every season. Wildfire cannot burn it out, and spring wind's blow can bring it back to life. Wild grass wild flowers spread over the ancient road, the end of the grass under the sun is your journey. Once again, I sent my intimate friends, the thick grass represents my deep feeling.

Wang Wei's Send Yuan Er Shi An Xi in Tang Dynasty

Weicheng is rainy and dusty, and the guest house is green and willow-colored. Sincerely advise my friend to dry a cup of wine, west out of the yang Guan, it is difficult to meet relatives.