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Search below for clues.
Clue #1
This is a large surface.
Clue #2
There is all this white stuff on it.
Clue #3
In the summer it looks very different.
This is what the surface of the Mackenzie River looks like right now. It is coated in snow. There are jumbles of ice underneath the snow. These chunks of ice combined with the wind create these beautiful lines and patterns on the frozen surface of the river.
