What's so funny about this?

ere"As soon as she finished speaking, Zhang's voice came from inside the door, "Wait, wait a moment."Footsteps approached and stopped at the door. The sound of a rusty chain being unlocked echoed, fol...g in color.He pulled out this photograph from the photo album, removing it from among the others surrounding it. All the other photos on the back were splashed with water, and no further writing was v...