This image, with the characteristic vignetting and color shift of LOMO photography, focuses on a rust-covered iron gate. The old padlock and chain on the gate present a texture of time precipitation under light and shadow. The mottled rust on the metal surface of the gate and the wear marks on the lock convey a strong nostalgic atmosphere, as if telling stories of the past. The shooting technique of LOMO style gives the picture a unique artistic sense. The combination of vignetting and warm tones makes the overall atmosphere quiet and deep, as if one can imagine the quiet time of a school gate. The rust and chain symbolize the sealing of time and the precipitation of memory, with every detail exuding a retro and nostalgic atmosphere.