chemtrails or contrails. crossed airplane condensation trails ((cirrus homogenitus). abstract landscape background aerial view of aircraft smoke trails crossing atmosphere. nature environment pollution concept. - 卷雲 個照片及圖片檔
full frame of the low angle view of white color clouds with a blue sky. valencian community, spain - 卷雲 個照片及圖片檔
full frame of the low angle view of sky and clouds of yellow and orange color and the in the sunset. valencian community, spain - 卷雲 個照片及圖片檔
high cirrus cloud, a sign of high winds in the upper atmosphere, over cley, norfolk, uk. - 卷雲 個照片及圖片檔
