Generate a vector illustration of flagstaff, arizona with a western style, featuring vibrant colors and high resolution. the artwork should capture the city's unique western charm, including cowboy hats, boots, and horses. it should showcase iconic flagstaff landmarks, such as the san francisco peaks, route 66, and the lowell observatory. the illustration should also include local wildlife, such as elk and bison, and incorporate the city's rich history and culture. overall, the image should evoke a sense of adventure and embody the spirit of the american west.