The Qinling Mountains and Huaihe River are bounded by nature, humanities and social economy.
The north and south, bounded by the Qinling Mountains and Huaihe River, are obviously different in many ways.
The differences between North and South are mainly manifested in nature, physique, language, personality, literature and art, diet, politics, culture and society.
Natural difference: With Qinling-Huaihe River as the boundary, the natural climate changes obviously.
Physical differences: with Qinling-Huaihe River as the boundary, the northern region is obese; South China is short and thin.
Personality differences: with the Qinling Mountains and Huaihe River as the boundary, the north is rough and straightforward; The south is delicate and soft.
The biggest difference: taking the Qinling Mountains and Huaihe River as the boundary, the north is more active politically and militarily; The economy and culture in South China are relatively developed.
Taking the Qinling Mountains and Huaihe River as the boundary, there are obvious differences. So the correct dividing line between north and south is Qinling-Huaihe River.