 Upscale apartment buildings started to appear on the boulevard.Ponce, as did much of the city, lost many of its middle- to upper-middle-class residents in the 1950s and 1960s, and large parking lot areas and new buildings built away from the street made Ponce lose much of the walkability that it had - and its focus gave way fully to automobile traffic.Though a renaissance was beginning in the 1970s, Ponce still was renowned for prostitution, drug sales, but also for its eclectic character up to the turn of the 21st century, celebrated in books such as George Mitchell's "Ponce Deleon