Is any part of the great wall china missing anywhere?

The Great Wall of China is not completely intact, and there are many sections that are missing or in various states of disrepair. In fact, it is estimated that only about 30% of the original wall still stands today. One of the most famous sections that is missing is the Juyongguan Pass, located about 50 kilometers northwest of Beijing. This section of the wall was destroyed by a combination of natural disasters and human activity. Other sections that are missing or in poor condition include the Badaling Pass and the Mutianyu Pass.