[131] The 2 defence traces of Xuanfu and Datong (abbreviated as "Xuan–Da") remaining by the Northern Qi as well as early Ming had deteriorated by this stage, and for all intents and needs the inner line was the cash's principal line of defence.[132] GreatWall GW99 consistently features bonuses and promotions https://97.74.85.141/great-wall-99/