Purple lightning, psychedelic sunsets, glowing clouds and swirling Northern Lights -- when it comes to crazily beautiful natural phenomena, airplane pilots have a front row seat.
원문출처 : http://www.cnn.com/travel/article/pilot-cockpit-photos-christiaan-van-heijst/index.html
원문출처 : http://www.cnn.com/travel/article/pilot-cockpit-photos-christiaan-van-heijst/index.html