来自MSN12 小时
10 Remarkable Facts About the Sahara Desert
The Largest Hot Desert When imagining the vastness of the world, the Sahara Desert often stands out. 2 million square ...
National Geographic news2 年
Unseen Sahara
"That," Mattingly notes, "is an awful lot of people in the hyperarid landscape of the central Sahara." An archaeologist at the University of Leicester, he's become a slave to the desert ...
Nature3 年
Green Sahara: African Humid Periods Paced by Earth's Orbital Changes
The Sahara is very likely the ... change across North Africa from the hyperarid desert it is today to a nearly completely vegetated landscape dotted with large and small lakes during the early ...
BBC1 年
Characteristics of hot desert ecosystems
Hot deserts are found near the tropics of Cancer and Capricorn. The largest hot desert is the Sahara in Africa which spans the whole width of the continent.