Mountainous hills multi-layer nail art pictures

Quick answer：

Multi-layer nail art, also known as 3D nail art, involves creating detailed and layered designs on nails. It often includes elements like hills, mountains, and other natural landscapes. These designs are crafted using various materials such as nail polish, glue, and artificial nails. Mountainous hills nail art can be a visually appealing and creative way to personalize your nails.