Oil lamps play a large role in Indian culture. In Vedic times, fire was kept burning in every household in some form and carried while migrating to new locations. Later, the presence of fire in the household or a religious building was ensured by an oil lamp. Today, a deepavriksha (tree of light) such as this one is common in homes and small spaces. Oil is placed in each cup along with a wick, and when lit, the result is eleganty striking.