Introduction to the General Headquarters of the Second Red Front Army: The General Headquarters of the Second Red Front Army is located in the Zhang Family Courtyard on Lower Hadapu Street. In August 1936, the Second Front Army of the Chinese Workers' and Peasants' Red Army, led by comrades He Long, Ren Bishi and Xiao Ke, embarked on a long march to Hadapu, where the general headquarters of the Second Red Army was located.