49 3 0Download size Original (4608 x 3456) Large (1920 x 1440) Medium (1280 x 960) Small (640 x 480) Free stock photo of atmosphere, blue, blue sky atmosphereblueblue sky明亮cloudinesscloudscloudycumulus cloudsdaydaylightheavenhighlight户外skysummersummer daysunsunnysunny dayweatherwhite