This is a portal of Taj Mahal, in Agra, India.
Grief stricken Sha Jahan built this mausoleum in 1632, to remember his third wife Mumtaz Mahal, who died while giving birth to their 14th child.
The decoration of the building is among the finest in Mughal architecture. It is all made with white marble, inlaid with semi-precious stones, forming either calligraphy, abstract or vegetative motifs.
It is really perfection!