83% Blood Oxygen at 3,400m?! 🇵🇪 • My blood oxygen dropped to 83% overnight and my pulse hit 110 while I was just lying in bed. • 24 hours in Cusco were rough — dizziness, shortness of breath, zero energy. • Have you ever experienced altitude sickness like this? • Would you be prepared for 3,400m above sea level? • #cusco #peru #andes #altitude #traveling Follow eko_travels for more travel stories 🗺️