Mei jia photo wall design picture collection

Quick answer：

Mei jia, or nail art, refers to the decorative designs applied to fingernails and toenails. A 'photo wall design' typically involves arranging a collection of images on a wall, often for aesthetic or decorative purposes. The 'picture collection' suggests a compilation of various nail art designs that can be used for inspiration or reference. This could include images of intricate patterns, color combinations, and artistic techniques used in nail art.