Aerial flying across snow covered mountains and forest with blue sky during winter in Swabia, Germany

winter wonderland birds eye view swabia winter sledging aerial snow wintertime snowy snowfall zero degrees frosty black forest forest thaw whiteout drone hills polar ice frozen trees cold blue sky freezing castle germany bavaria mountains sky beautiful snowflake sled icey walk sledge forward white europe cinematic sun clear sunny covered stroll liechtenstein reflecting reflexion inspirational