Wandering Rocks of Death Valley

What is?

Is one of the lowest, hottest places in the world.

What happens?

The rocks are moving.

How does this happen?

The climate doesn't explain this.

The rocks moved overnight.

No ones saw them move.

What moved the rocks?

Scientists couldn't understand how the rocks moved.

The explain are that deserts are hot in the day, but the get very cold at night; and in the winter the ground freezes; sheets of ice form. POWERFUL WINDS BLOW HEAVY ROCKS.

What is the answer?
The answer is simple, the climate explain a lot, after all.