" Around 3000 BCE the people in the city of Mohenjo Daro, in modern-day Pakistan, were obsessed with cleanliness according to archaeologists, who found plumbing in every house, a covered municipal drainage system, and a communal bath measuring 39 by 23 feet. Some of the oldest temples in India were built entirely of sandalwood, ensuring an aromatic atmosphere at all times. "

― Valerie Ann Worwood , The Complete Book of Essential Oils and Aromatherapy, Revised and Expanded: Over 800 Natural, Nontoxic, and Fragrant Recipes to Create Health, Beauty, and Safe Home and Work Environments