The image shows a clear blue sky with a thin white line in the center. The line appears to be a contrail or trail of some kind, possibly from an airplane or a jet. The sky is a light shade of blue and there are no clouds visible in the image. The contrail is not clearly visible, but it seems to be made up of a series of curved lines or trails. The lines are straight and appear to be slightly curved, creating a sense of movement. The image is taken from a low angle, looking up at the contrail.