On Wed, 10 Jan 2018 22:39:18 -0500, joet5 wrote:

Many, many years ago I went on a gliding course near Kingussie
(Scotland). One day when there was a glider using lift from the
adjacent ridge a Canberra passed under the glider. Next day I
climbed the ridge and found myself looking down on the gliders
scooting up and down the ridge in much the same way this photographer
was probably higher than the Herc.