Singin' in the Rain | Rain Man | Lysergic acid diethylamide | Purple Rain | Rain | fatty acid | acid | Lords of Acid | Velvet Acid Christ | sulfuric acid | Rain or Shine Elasto Painters | Rain on the Roof | rain | Purple Rain (film) | Douglas Rain | Black Rain (American film) | Black Rain | Wolf's Rain | The Acid House | Purple Rain (album) | November Rain | Fire and Rain | Crooked Rain, Crooked Rain | The Right Attitude to Rain | salicylic acid | Rosmarinic acid | Rain Phoenix | Rain Parade | Rain on Your Parade | Rain (entertainer) |
It is locally threatened by too thorough and too frequent restorations of old buildings, acid rains, air pollution and cutting of old trees.