Main subjects: Majestic mountains, vast grasslands, tranquil lakes. Scene: Natural countryside featuring gorgeous sunset clouds, misty morning fog and brilliant starry sky. Style: Realistic photography, diverse natural style blending fresh and natural, grand and magnificent and poetic idyllic charm. Color tone: Vital and clear warm tone composed of emerald green, orange-yellow and sky blue combined. Lighting: Soft light and shadow of natural day-night alternation interwoven with quiet cold light of starry sky. Composition: Main natural landscape occupies the core field of vision. Purpose: AI drawing reference image, used for generating nature-themed creations.