Bateria Nouakchott Yangguan
Yangguan Pass, is known as a defence line along the Great Wall on the Silk Road, but is synonymous with parting with sorrow, as people would send off their loved ones with famous poetic quotes from right here.Among them, the most famous is ''Oh, my friend, I sincerely entreat you to have another cup of wine; you will see no more friends west out of the …