But how did the Sahara get more solar energy?
来自BBC
The Sahara desert covers more than four-fifths of the land.
来自BBC
The Sahara Desert is arid.
撒哈拉沙漠非常干燥.
If you were in the Sahara, you would realise the value of fresh water.
如果你在撒哈拉大沙漠, 你就会知道淡水的价值了.
The couple set off in August from Morocco, drove through the Sahara, visited Nigeria and were heading for Zimbabwe.
那对夫妇8月从摩洛哥出发，驱车穿过撒哈拉大沙漠，游览了尼日利亚，正向津巴布韦进发。