Located in Chengdu, Sichuan People's Park in the northwest corner. Ching dynasty three years (1911) in May, the Qing government promulgated the "railway-owned" policy, announced that the run of the Hankow-Canton, Sichuan Chinese sovereignty nationalized railway, sold to Britain, France, Germany and the United States banking group. Hunan, Guangdong, Hubei, Sichuan Province, the people rose up against, Comrade Paul organization will have to carry out Paul struggle, particularly the Railway Protection Movement in Sichuan is most intense, over hundreds of thousands of participants. September 7, trap in Chengdu, Sichuan Governor Paul Chao comrades who will be responsible for Pu Peiying, Rolen and so on, and killed hundreds of people petition the masses, so alliance members Lung Ming Jian, Wang Tianjie comrades in arms in the province-wide organizations, launched an armed uprising, as a prelude to Revolution.