图库照片: blue sky for background
blue sky
蓝天 天空 / white fluffy clouds with rainbow in the blue sky
stock photo: cumulonimbus developing into the blue sky
图库照片: beautiful light blue sky with puffy white clouds
图库照片: blue sky for background
blue sky
蓝天 天空 / white fluffy clouds with rainbow in the blue sky
stock photo: cumulonimbus developing into the blue sky
图库照片: beautiful light blue sky with puffy white clouds