What to know: Yosemite fire threatens sequoia grove, some of Earth's oldest, biggest trees
A wildfire in Yosemite National Park is threatening some of the oldest, most massive trees on the planet in the Mariposa Grove of Giant Sequoias.
A wildfire in Yosemite National Park is threatening some of the oldest, most massive trees on the planet in the Mariposa Grove of Giant Sequoias.