Introduction to Sun Yat-sen: Great Crowd Sculpture - Sun Yat-sen (1866-1925), a famous writer and a great pioneer of China's modern democratic revolution. He is the founder of the Republic of China and the Chinese Kuomintang, an advocate of the Three People's Principles, and the founder of the China Alliance. After the 1911 Revolution in 1911, he was elected as the interim president of the Republic of China and was later honored as the "Father of the Republic of China". "The world is for the common good" is Sun Yat-sen's most famous saying, which expresses the political ideal of a beautiful society. He established indelible merits in history and left a precious legacy in politics for his successors.