Also known as the River of Five Colors, Caño Cristales is the most spectacular natural wonder in the country. Found in the mountain range of Serranía de la Macarena, the river mesmerizes with amazing colors: vivacious yellow, green, blue, black and red shades quiver from the bottom.

          The Liquid Rainbow is caused by unique phenomena: a red plant – Macarenia clavigera – growing in the riverbed. Other colors come from black rocks, green algae, blue water and yellow sand, producing an iridescent effect. The river also features waterfalls, pools and caverbs, making it even more dramatic. Furthermore – there are no fish or other creatures,so visittors can enjoy uninterrupted bathing in Caño Cristales.

1.      What is Caño Cristales ?

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2.      Wher is the River of Five Colors located?

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3.      What are colors of the river water?

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4.      What caused The Liquid Rainbow?

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23.The population of The Khmer is about 1,260,000 (make question for the underlined words)

24. The King group has the largest population in Việt Nam (make question for the underlined words)

A.Yes, we are. I am going to graduate
   B. Exceter in South West of England
   C. yes, one of my brothers is living there. He’s working there, too
    D. I am going to move to another city to work
    E. Bye, Peter. See you later
     F . I don’t know. Maybe I will live there with my brother.
     G. Sounds good to me. I won’t forget to do it.
     H. Hi, Peter. I’m preparing for the final examination at university

The film / direct / Stanley Kubrick / 1968.

A. The film directed Stanley Kubrick in 1968.             

B. The film has directed Stanley Kubrick in 1968.

C. The film is directed by Stanley Kubrick in 1968.

D. The film was directed by Stanley Kubrick in 1968.