Luc Paelman + 5000m | KilimanjaroSummergem4/510-2-2018100% convinced that this was an ideal preparation. By the way, assignment has been accomplished and the top has been reached without any sense of altitude sickness, no headache or other possible ailments associated with altitude sickness. Oxygen saturation was measured every evening and I was clearly significantly higher than my fellow climbers who did not use a height tent. So I'm convinced.