What does it mean to write poems about Changbai Mountain?

Hongshan Culture in Liaohe River Basin is the first light of Chinese civilization, which is not later than the Yellow River culture and the Yangtze River culture, or even earlier. Especially after the Han Dynasty, ethnic minorities in Northeast China occupied the Central Plains many times. These lineal peoples have strong executive power and great tolerance and absorption of foreign cultures, thus overcoming the cultural disadvantages of "a hundred schools of thought contend" in the Central Plains, and providing new vitality and new glory for the dead Central Plains culture with different civilizations, so that it can be revived.