I read this story earlier on another news website which has more details here.

Sad for the families to have to go through through this right before Christmas and starkly shows the danger of riding around in rugged desert terrain during the middle of the night.
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Earth and sky, woods and fields, lakes and rivers, the mountain and the sea, are excellent schoolmasters, and teach some of us more than we can ever learn from books.

John Lubbock