Book page coloring art, All-white background, Use only outlines

Book page coloring art, All-white background, Use only outlines, line art, coloring book, Clean line art, For coloring Simple and clean line art, coloring book page, perfect symmetric details, Hills and Valleys: Rolling hills with fluffy sheep grazing, a distant mountain range with snow-capped peaks, a cozy cottage nestled in a valley with smoke coming out of the chimney, and a shepherd with a dog watching over the sheep.