Today, we're taking you to a part of this region called the Rub al-Khali Desert, literally a desert within a desert.

今天，我们带您前往该地区的鲁卜哈利沙漠——沙漠中的一片沙漠。

The British explorer Wilfred Thesiger crossed it in the mid-20th century and he said it was named Rub al-Khali or " Empty Quarter" because it's so enormous and so desolate.

英国探险家威尔弗雷德·赛西格在20世纪中叶曾穿越过它，据其称这片沙漠被他命名为" Rub al-Khali" 或“ Empty Quarter”，因为它是如此的巨大且荒凉。