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A green flash can occur at sunrise or sunset when some part of the Sun suddenly and briefly seems to change color from red or orange to green or blue. This is an optical effect caused by the larger refraction of light at the blue/ green end of the spectrum…

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Volcanic activity has created some of the most colorful and extraordinary landscapes, including hot springs, colored lakes and a soft volcanic rock that is easily eroded and shaped by the forces of water or wind.

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A list of some of the world’s hottest countries in regards to temperature.

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A list of The Coldest Places on Earth.

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Read this to know anything you want to know about angel falls.

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Life in a Savanna.

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About the desert.

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The deepest sinkhole, bluehole and man-made hole on earth.

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A brief overview of the formation of a waterfall, a landform of river erosion.

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These lines were geometrically perfect and would have been initiated and planned thousands of years ago. How in this ancient world could they have had such a masterful degree of geodetic awareness of this information that spanned over hundreds of miles?