The Great Wall, which is a symbol of our history, snakes across a mountain area of Tianzhu, Gansu province. Thirty-nine protectors work ____1____ (careful) in the area to protect the great wonder.

With ____2____ history of over 2,000 years, the wall in Gansu wasn’t in good condition. Nature did great harm to the wall. Some ____3____ (part) of the wall were washed away by heavy rains and blown away by strong winds. People in some places also harmed it.

But things started to change. In 2006, Great Wall Protection Regulations (条例) ____4____(come) into effect. After that, more and more people started to take part ____5____caring for the wall. In recent years, the government of Tianzhu has spent more and more money ____6____ (protect) the wall. Modern technology like self-driven sensing technology ____7____ drones (无人机) have also been used to watch the wall.

With all these efforts, the protectors are still busy with the work. Every week they guard the wall, and any changes are well recorded and ____8____ (report) to the government. They also help people realize it’s important to protect cultural heritage (遗产). Luckily, with ____9____ (they) hard work, much greater changes have taken place.

“As long as we are here, we will protect this wall. It is our job and our ____10____(proud),” said one of the protectors.