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Facts about nature

Facts about nature Page 1/5
The Sahara, one of the worlds largest and driest deserts with sand up to thirty feet deep was once a land with flowing rivers, humid swamps and lush fields. Cave painting, 9,000 years old, found in the heart of the Sahara, show men herding cattle and hunting lions and hippos. About 2,000 years ago the cave painters, herders and animals left because the area that was rapidly becoming the desert we know today.
Facts about nature Page 2/5
Seeds from a wild flower, the Artic Lupine, found in Alaska, have grown in the lab after being frozen in the ground for 10,000 years.
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