Read the text below. For questions choose the correct answer. 
 
Incan Bridges
 
When the Spanish came to South America, they tried to build bridges. But they tried to construct the of bridges they used in Europe. These bridges were made of stone. And they always and broke. The Inca people were very with stone. They knew that stone would not for bridges like this. The river canyons were too large. So, the Incan engineers used another they knew: they used grass, cloth fibres, and animal hair. Their rope bridges stretched more than 50 metres across large canyons. This was farther than any European stone bridge of that time.
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