In 1933 Englishman Frank Smythe reported 'two curious looking objects floating in the sky... one possessed what appeared to be squat underdeveloped wings, and the other a protuberance suggestive of a beak.
Be ready for hallucinations. These can be blamed on the combination of hypoxia and fatigue. In Reinhold Messner's 1980 solo attempt, he imagined an invisible companion climbing beside him. In 1933 Englishman Frank Smythe reported 'two curious looking objects floating in the sky... one possessed what appeared to be squat underdeveloped wings, and the other a protuberance suggestive of a beak. They hovered motionless but seemed slowly to pulsate.'