Dream return Long march time space traveling together, red youth tribute work. Meet and travel together in the snow and ice of Jiajin mountain. Experience the dangerous situations of snow mountains and life-and-death trials all the way, witness the sacrifices and perseverance on the Long march road, feel the belief and strength forged by the ancestors with hot blood, and pay tribute to all the nameless heroes who trek for ideals. Pass on the immortal belief, pay tribute to the Long march spirit, and pay tribute to every hot-blooded ancestor.