Vatican City is the smallest country in the world, covering only about 0.17 square miles (0.44 square kilometers). It is an independent city-state located entirely within Rome, Italy.

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The Nile River in Africa is the longest river in the world, stretching approximately 4,130 miles (6,650 kilometers) from its source to the Mediterranean Sea.

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We have time zones because the Earth rotates, causing the sun to be at different positions in the sky at the same moment in different locations. Time zones divide the world into regions so each area can set its clocks based on the sun's position in that location.

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Russia is the largest country in the world by area, covering about 17.1 million square kilometers. It spans across Eastern Europe and northern Asia.

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District 12 is located in Appalachia, in the region that was formerly known as the United States, specifically in what used to be West Virginia and Kentucky. It is a coal-mining district situated in a valley surrounded by mountains.

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