Vienna, the attractive and historic capital of Austria, is a metropolis that prides itself on its rich tradition, gorgeous structure, and high requirements of living. As with all main metropolis, cleanliness performs an important function in sustaining both the aesthetic enchantment of town and the general well-being of its residents. https://docs.google.com/presentation/d/1pIXEAS1jcvmSHALsf_UNcJuUYwTRmfHLWOZwhIYmP3c/edit