Turn your garden wall into a three-dimensional work of art by creating a seashell sculpture. This unique and eye-catching design will make a bold statement in your outdoor space. Start by collecting a variety of seashells in different shapes, sizes, and colors. Clean the seashells thoroughly and let them dry completely. Next, sketch out your desired sculpture design on the garden wall using a pencil. Once you are satisfied with the design, use a strong adhesive to attach the seashells to the wall, following the pencil lines. Experiment with different arrangements and layering techniques to create depth and dimension. Allow the adhesive to dry completely before adding a protective sealant. The seashell sculptural garden wall will add a touch of artistry and elegance to your garden, turning it into a true outdoor gallery.