Render a highly realistic, daytime urban scene of a bustling avenue. The image should appear extremely lifelike, avoiding any cartoonish or drawn characteristics. The scene should include visible signboards with the following text: "Fuerte de San Diego," "Costera," and "Caleta." Additionally, another set of signboards should display: "Terminal Marítima," "Zócalo," and "La Quebrada." Ensure the text on these signboards is clearly legible. Capture the vibrancy and energy of a modern city, complete with traffic, pedestrians, and a mix of contemporary architecture and greenery. The overall atmosphere should reflect a lively and well-maintained urban area.