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In Northwestern China, there is a chain of undulating hills called Colorful Zhangye Danxia.
在中国的西北内陆有一片波浪起伏的丘陵被称作张掖七彩丹霞。
Here you can find the colors of the rainbow.
在这里 你能找到彩虹的颜色。
The terrain is so hostile that even grass struggles to survive.
在这些岩石上只有一些草在艰难生长。
So where did this palette of colors come from?
那么这些七彩的颜色究竟从何而来？
It's hard to imagine, but this area was once a lake.
很难想象这里曾是一片湖。
The multi-colored hills are the result of the long geological evolution of the lakebed.
眼前的七彩丘陵是湖底经漫长的地质演变而来。
Changes in temperature and humidity, as well as the existence of various mineral elements, and the differing iron content in lake sediments especially, gave rise to the spectrum of colors.
气候的干湿冷暖变化和不同矿物质元素的存在尤其是湖泊沉积物的含铁量差异赋予了丘陵层次分明的韵律。
Part of the ancient Silk Road, it is said that Marco Polo once visited here over 700 years ago.
古丝绸之路从这里穿过据说马可波罗也曾到访此地。
However, compared to Marco Polo, today we can have much more fun.
不过 比起700多年前的马可波罗今天的我们也许多了一些乐趣。
