The mouse walks slowly and carefully through the snow, its tiny feet leaving footprints in the fresh powder. Occasionally, it looks up at the snowflakes gently falling around it, its ears twitching as the wind blows. Add small details such as the mouse adjusting the straps of its basket, snowflakes landing on its fur and cloak, and its whiskers moving slightly in the cold breeze. The snow-covered mountains and rocky slopes in the background should remain still, but the occasional gust of wind should make the snow swirl lightly in the air