The Great Wall of China is the longest wall in the world.
It is over 4,160 miles long.
It was important to the history of China.
It's amazing! The Great Wall is longer than the longest river in the world – the Nile River.
The Nile River is 4,135 miles long.
The Nile starts in Burundi and ends in Egypt on the coast of the Mediterranean Sea.
The Nile is the most important source of water in Egypt.
Both the Great Wall of China and the Nile River are famous.