Answer:
1. Incas.
2. Españoles.
3. Machu Pichu.
4. Estadounidense.
5. Turistas.
Explanation:
In these sentences you have to complete the blanks with historical events.
1. The Incas built Machu Pichu at a height of 2.800 metres.
2. When Spanish people arrived in Perú in 1532, didn't find it...
3. Because It was hidden.
4. In 1911, the american explorer Hiram Bingham discovered the ruins.
5. Since then, the arqueological ruins are a destination of interest for tourists around the world.