Irvine, Calif., July 15, 2026 — On a summer afternoon in the Sierra Nevada, a mountain pond can look calm and still, reflecting granite peaks and alpine sky. But beneath the surface, these small, shallow waters are anything but stable.
Irvine, Calif., July 15, 2026 — On a summer afternoon in the Sierra Nevada, a mountain pond can look calm and still, reflecting granite peaks and alpine sky. But beneath the surface, these small, shallow waters are anything but stable.