Alley may be paved, or unpaved, and a blind alley is a cul-de-sac. Modern urban developments may also provide a service road to allow for waste collection, or rear access for fire engines and parking. Because of geography, steps (stairs) are the predominant form of alley in hilly cities and towns. This includes Quebec City in Canada and in the United States Pittsburgh (see Steps of Pittsburgh), Cincinnati (see Steps of Cincinnati), Minneapolis, Seattle, and San Francisco as well as Hong Kong, Genoa and Rome. Some alleys are roofed because they are within buildings, such as the traboules of Lyon, or
Determiner phrase Determiner phrase In linguistics, a determiner phrase (DP) is a type of phrase posited by some theories of syntax. The head of a DP is a determiner, as opposed to a noun. For example in the phrase "the car", "the" is a determiner and "car" is a noun; the two combine to form a phrase, and on the DP-analysis, the determiner "the" is head over the noun "car". The existence of DPs is a controversial issue in the study of syntax. The traditional analysis of phrases such as "the car" is that the noun is the head, which means the