Serious Altitude Issue in IOI 2025, La Paz, is at 4100 meters above the sea level. Therefore, **altitude sickness
can be a big concern, above the sea level. Therefore, **altitude sickness can be a big concern.** I
think that even the, medal because I often suffer altitude sickness at 2500 meters above the sea
level., -elevated, like altitude of 100 meters or 200 meters., Are there any tips or any ways of practice to get used to high altitude?