Officials issue guidance saying the ammonia in animal urine should be watered down to stop it corroding barkA neighbourhood in Vienna has introduced guidelines for dog walking, including the use of bottled tap water to rinse away urine and protect vulnerable trees.Neubau, an up-and-coming, densely populated district dotted with cafes and galleries, rolled out the Schönes Gassi (nice dog walk) campaign this week. Continue reading...