The ‘T’ in ‘T-Rex’ scientifically stands for Tyrannosaurus. Except in Norfolk, England where they have “Tree Rex” – a tree shaped in the form of the infamously ferocious dinosaur. The 35ft ash tree was stumbled upon by locals who noticed high winds had blown off the tree’s leaves and shaped it into a dinosaur. www.ecoglobalsoci...
2/16/14 10:32p Dune 45 in Sossusvlei is one of the most beautiful sand dunes in the world. Standing over 170 meters, it is composed of 5 million year old sand that was brought by the Orange River from the Kalahari Desert. It is a star dune. Star dunes are pyramidal sand mounds with slipfaces on three or more arms that radiate from the high center of the mound. They tend to accumulate in areas with multidirectional wind regimes. Star dunes grow upward rather than laterally.
NASA's Incredible Shot Of The Sahara. The eye of the Sahara The Richat structure, on the African continent, is visible from space thanks to its almost 50 km in diameter and called attention to its curious concentric rings. It is located in the desert of the Sahara, Mauritania, at an altitude of 400 meters above sea level. It is believed that it is the product of the impact of a meteorite.
Ribbons of Saharan sand dunes seem to glow in sunset colours. These patterned stripes are part of Erg Chech, a desolate sand sea in southwestern Algeria, Africa, where the prevailing winds create an endlessly shifting collage of large, linear sand dunes. The term 'erg' is derived from an Arabic word for a field of sand dunes.