大小单双倍投8局必开简介：The reason why it is called Xuanwumen is because Xuanwu, one of the four ancient gods, represents the north. In the Qing Dynasty, it was renamed Shenwumen to avoid the name taboo of Emperor Kangxi Xuan Ye.
The reason why it is called Xuanwumen is because Xuanwu, one of the four ancient gods, represents the north. In the Qing Dynasty, it was renamed Shenwumen to avoid the name taboo of Emperor Kangxi Xuan Ye.
