The photo was taken with a very old first generation samsung galaxy note. This was in agios nikolaos on Create, Greece. A stunning view. I used handy photo app and hdr mode.
Just a guess; it might be a shadow in the haze layer from of another jet's con-trail. The angle of the alleged shadow matches the shadow seen on the wing.
“Waiting” ….. travelling can involve a lot of waiting - especially on international flights. This picture was taken at the Bengaluru International Airport with a Samsung Galaxy S5. To get rid of the reflections the camera was held against the glass.
Flying past Mount Hood outside of Portland, Oregon. Taken with my Nexus 5 with the stock camera app, with only an enhancement from the desktop Google+ Photo app.
Across the two bridges above me is a sunny and popular travel destination that I see frequently while rarely visiting, but I haven't actually taken a real vacation in years. Between Bridges shot with my Nexus 4 and filter applied in Google Photos on Lollipop.