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- As they built bigger and bigger ships, they were able to sail further and further away.
- They don't mean that the world is literally getting smaller, of course.
- They found that as they sailed further away from their home countries, the world became bigger.
- Then, men began to use ships to explore the world.
- But 2300 years ago, the Egyptians and the Greek thought that the world was flat and very small that around it was the ocean.
- Today, there're no undiscovered countries left to put on the map, but there are many new worlds to discover out in space.
- We often hear that the world is said to be getting smaller.
- Therefore, they had to make new maps to show the country that they found.
- And they discovered new countries which they didn't know about.
- What they mean is that with modern means of transport, we can now reach every part of the world very quickly.