3 ms·Chinese paraglider cheats death after flying to 28,000ft3 points by gscott 1y agoalenguo 1y agoIt's unimaginable how he did it.Bender 1y agoEspecially given he would have been at 7% O2. [1] [1] - https://hypoxico.com/pages/altitude-to-oxygen-chart https://hypoxico.com/pages/altitude-to-oxygen-chart