Los Angeles has undergone significant changes over time, reflecting the growth and evolution of the city over the years. Here are some of the major changes that have taken place in Los Angeles:

1. Population growth: Since its founding in 1781, Los Angeles has grown from a small pueblo to become one of the largest cities in the world. The city’s population has grown from just over 1,000 in the early 1900s to over 4 million today.
2. Infrastructure development: Los Angeles has undergone significant infrastructure development over the years, including the construction of freeways, airports, and other transportation networks. This has made it easier for people and goods to move around the city, but it has also contributed to air pollution and other environmental issues.
3. Urbanization: Los Angeles has become increasingly urbanized over time, with the growth of skyscrapers, apartment buildings, and other high-density developments. This has led to a more diverse and vibrant urban landscape, but it has also contributed to issues such as traffic congestion and housing affordability.
4. Cultural evolution: Los Angeles has always been a melting pot of cultures, but the city’s cultural landscape has evolved over time. Today, Los Angeles is home to a diverse range of cultures, with thriving communities of Latinos, Asians, African Americans, and others.
5. Economic shifts: Los Angeles has undergone significant economic shifts over the years, from its early days as a farming and ranching community to its current status as a global center for entertainment, technology, and other industries. This has led to changes in the city’s demographics, job market, and overall economic outlook.

Overall, Los Angeles has undergone significant changes over time, reflecting the growth and evolution of the city and its people. While some of these changes have brought about new opportunities and innovations, others have presented new challenges and issues for the city to address.