People fish in the pond in a horizontal angle of 30 degrees with the horizontal. Consider the following message:People see fish shallow, than that is true.See all fish deeper than that is true.People see fish as is real position.People see fish return left-right. People fish, which is located in the water from the fish, which are in an very eye toward n, which is located in the outdoor light is bent the least n that are out of line geometry makes the fish shallower than heo is a reality.
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