Transform your garden into a coastal paradise by decorating your garden walls with seashells. Create a stunning seashell mosaic by arranging different types and sizes of seashells on the wall. Use a strong adhesive to secure the seashells in place, ensuring they withstand the outdoor elements. The seashell mosaic will add a unique and eye-catching feature to your garden, reflecting the beauty of the ocean. It will create a serene and tranquil atmosphere, perfect for relaxing and enjoying the outdoors.