The Greeks thought-about pioneers in creating the basic sanitation technologies in the western world. They placed emphasis on offering an urban hygienic environment, with emphasis in a sustainable way since the prehistoric times. There had been sanctuaries situated in remote however beautiful areas, well-known as Asclepieia or Asclepieions, dedicated to the healer god, which functioned as facilities of medical advice, prognosis, and therapeutic. More than 300 Asclepieiaexisted across the traditional Hellenic world.