How did The Great Wall of China change overtime?

Answer 1

The great wall of china has changed a lot from when they made it the first time. Some parts have disappeared, covered by sand or earth; some other fragments have crumbled down, some have been rebuilt and some have been fully restored.

Answer 2

The changes of the Great Wall were the colour and size. But some parts are very dangerous not safe! Now people are trying to fix the dangerous places and sharp or broken edges.