Historical preservation is the practice of protecting and maintaining buildings, sites, and artifacts that have significant cultural, architectural, or historical value. This process ensures that future generations can appreciate and learn from the past. Preservation efforts can include restoring old structures, conserving artifacts, and creating museums or heritage sites. Organizations and governments often play a key role in historical preservation by establishing laws and guidelines to protect important sites. Examples of preserved locations include the Great Wall of China, the Colosseum in Rome, and Independence Hall in Philadelphia. These efforts help to celebrate and educate people about history and heritage.