a hiker standing alone in a mountain valley at dusk, witnessing an encounter of the third kind: a giant alien spacecraft, ufo

alien ufo mountains sky hiker spaceship extraterrestrial invasion hovering flight sunset space science fiction spacecraft giant dusk futuristic man looking visitor landing earth invader flying light ship saucer cloud scifi watching witness huge large alone altitude supernatural third valley encounter kind mystery dawn evening glowing vessel incredible mist fog standing top mountain witnessing kind: sun sets