Auroville is an experimental township located in Tamil Nadu, India founded in 1968 to promote international understanding and harmony. Its focal point is the Matrimandir, a spherical temple covered in gold discs. The city is divided into five zones surrounded by green belts and has over 1,900 residents from 40 countries engaged in administration, handicrafts, agriculture, and more. Auroville utilizes sustainable building materials and techniques in its construction.