America's national parks face pressures
The ice-covered mountaintops are shrouded by fog. A stream gushes against the rocks on a headlong rush to the lake. High above the deserted visitors' parking lot, an elk stares at a lone hiker.
The ice-covered mountaintops are shrouded by fog. A stream gushes against the rocks on a headlong rush to the lake. High above the deserted visitors' parking lot, an elk stares at a lone hiker.