Someone greets from cockpit!!
I wonder why he is trying so hard to clean the window. Is it really that essential to have a spotless view from the cockpit, or was he checking whether it was just dirt or a crack?
KLM Take-off at Runway 24
New photo angle. KLM MD11 afternoon take off to Amsterdam. Also note the typical MD11 vortex between the fuselage and the engine on this photo.