Alley public, although other commentators feel that the lack of alleys is a benefit to the quality of life of the city. Two notable alleys in the Greenwich Village neighborhood in Manhattan are MacDougal Alley and Washington Mews. The latter is a blind alley or "cul-de-sac". Greenwich Village also has a number of private alleys that lead to back houses, which can only be accessed by residents, including Grove Court, Patchin Place and Milligan Place, blind alleys. Patchin Place is notable for the writers who lived there. Shubert Alley is a long pedestrian alley at the heart of the Broadway theater
Letter on the Blind people associated with the "Encyclopedia" led to his liberation after few months. Letter on the Blind In Letter on the Blind for the Use of those who can see (French: Lettre sur les aveugles à l'usage de ceux qui voient), Denis Diderot takes on the question of visual perception, a subject that, at the time, experienced a resurgence of interest due to the success of medical procedures that allowed surgeons to operate on cataracts (demonstrated in 1747 by Jacques Daviel) and certain cases of blindness from birth. Speculations were then numerous upon what the nature and use of vision was,