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
The Blind Leading the Blind Greece the blind were depicted as having received gifts from the gods, and blind singers were held in high regard. In mediaeval Europe, the blind were depicted as the subjects of miracles, such as Bartimaeus in the healing the blind near Jericho in Mark 10:46–52. Following the Reformation, painted depictions of saints and miracles fell out of favour in Protestant areas. In Catholic thought, charitable works of mercy, such as giving alms to the blind and poor, were good works which, together with faith, helped the salvation of the doer. However, the Protestant doctrine of "sola fide" rejected the efficacy