Auroville (City of Dawn) is an experimental township in Viluppuram district mostly in the state of Tamil Nadu, India with some parts in the Union Territory of Puducherry in South India. It was founded in 1968 by Mirra Alfassa (known as "the Mother") and designed by architect Roger Anger. As stated in Alfassa's first public message in 1965,
"Auroville wants to be a universal town where men and women of all countries are able to live in peace and progressive harmony, above all creeds, all politics and all nationalities. The purpose of Auroville is to realize human unity"
The Matrimandir (Sanskrit for Temple of The Mother) is an edifice of spiritual significance for practitioners of Integral yoga, situated at the centre of Auroville initiated by The Mother of the Sri Aurobindo Ashram. It is called soul of the city and is situated in a large open space called Peace. Matrimandir does not belong to any particular religion or section.
The Matrimandir took 37 years to build, from the laying of the foundation stone at sunrise on 21 February 1971 - the Mother’s 93rd birthday - to its completion in May 2008. It is in the form of a huge sphere surrounded by twelve petals. The Geodesic dome is covered by golden discs and reflects sunlight, which gives the structure its characteristic radiance. Inside this central dome is a meditation hall known as the inner chamber - this contains the largest optically-perfect glass globe in the world. The Matrimandir, and its surrounding gardens in the central Peace Area, is open to the public by appointment. From Wikipedia