Who is Thor Heyerdahl?
What was he interested?
What did he notice?
What did he thenk about the people from South America?
Where can you see the pyramids?
What question did Heyerdahl ask?
What did he decide to do?
Whthis first raft journey successful?
Where did he start his second journey from?what did he cross?Where did he land?
How did he explain the presence of the same things in South America?