Shell Grotto is the space I’ve seen using the same material. The mysterious place, the construction time and purpose are unknown. Although the entire passage is not very long, the shock is unforgettable. The exhibits in the outer exhibition hall also gave me a lot of inspiration: there are works of art directly carved on the shells, paintings made of small broken conch, houses with shells and daily necessities such as cosmetic cases. These products are all different ways of using shells.