The existence of cicadas lives in everyone’s summer memories. In recalling summer on a biting winter, the high-pitched buzzing of cicadas is such an unforgettable and precious experience. Within, it’s an essence of cicadas in summer days— a cicada wing. The wire structure and mirror-image reflection formulate a cicada pupa, representing the beginning of summer. The "sunshine” projects a cicada wing on the wall, illustrating an indistinct summer vitality. The alternation of bright blue and vibrant green on the cicada wing signifies the journey of summer. Yet, the short lifespan of cicadas ended on the coolness of autumn is resemblance of summer, flashing in eyes. Hopefully, this cicada illuminating experience will arouse everyone’s summer memory, immersing within.