It is (challenge) to keep the balance between the progress of society and the protection of cultural sites with the (develop) of economy. However, the Aswan Dam project has set an example of finding solutions such problems.
In the 1950s, the Egyptian government wanted to build a new dam across the Nile. the proposal met with protests from people, were concerned about the destruction of cultural relics. (prevent) their loss, the government turned to the United Nations for help.
Later, (country) around the world worked together with the Egyptian government. Cultural sites (remove) piece by piece and then put back together in another place. The project ended (success) in 1980. It can be learned that with the joint efforts of the global community, we can build better tomorrow.
