How to evaluate Mao Zedong's calligraphy?

The evaluation of Mao Zedong's calligraphy is unique, with strong personality and style characteristics. According to relevant public information, his calligraphy works are vigorous and smooth, with a strong sense of strength and movement. In writing, Mao Zedong advocates straight and invincible brushwork, and you can often see magnificent, tall and powerful fonts in his calligraphy works, which have strong visual impact and aesthetic feeling.