San Diego's Old Town is a typical feature of Mexican architecture. The Mexican people's love of color is fully reflected in Mexican architecture. They never consider color matching. The choice of color is based on their own preferences. It is undeniable that this The impact of the gorgeous colors on the same building, combined with the illumination of the sun, is especially good. The Old Town is not a complete business district, and there are many sites in the Old City, including California's first court, a museum about Western culture. Here, as if the time has slowed down, people can appreciate the ancient and elegant, classic and leisurely and the long-lasting romantic feelings. It is said that the old town can't compare with China, thinking that it is only 100 years old. There is such a small example, which is a comparison of the length of history between the United States and China: the story of the United States generally begins with Long long time ago or Once upon the time, which is actually a long time ago. The story of China is generally proud to begin thousands of years ago with Thousands years ago.