Explore the wild on Instagram: "🚨 MOUNTAIN SAFETY REMINDER 🚨 A 31-year-old hiker tragically lost his life on Mount Nama (5,088 m / 16,690 ft), Sichuan, China, after unclipping from his safety rope in order to take a selfie. The fall was nearly 200 meters, and rescue teams could do nothing to save him. ❄️ High-altitude environments are unforgiving. At elevations above 5,000 meters, oxygen levels are less than 50% of what you breathe at sea level. Every step demands balance, awareness, and respe

Keck Observatory: Twin Telescopes on Mauna Kea