“Design a captivating coloring book page featuring a serene mountain landscape. Use thick, bold lines with low details and no shading. The scene should include mountains in the background, towering pine trees in the both foreground , and a calm lake reflecting the natural beauty. Add whimsical swirls and geometric patterns to enhance the overall composition. The sky should have  sun left side and  moon right  side .Aim for a tranquil and enchanting atmosphere.”
