a serene sky with scattered, fluffy clouds of varying sizes and s the scene exudes tranquility and vastness

serene sky pastel hues clouds subject photograph soft contrast light blue backdrop depth texture size shape scattered expanse horizon upper left quadrant bottom right corner movement progression tranquility vastness abstract art background pattern design colorful creative modern vibrant geometric shapes lines concept dynamic energy motion graphic visual futuristic minimal decorative trendy stylish elegant bright gradient innovative imaginative