'East Gate of the Great Stupa of Sanchi', 1890. One of the oldest stone structures in India, and important monument of Indian Architecture, commissioned by emperor Ashoka in the 2nd century BC the Sanchi complex flourished until 11th century. From "Cassell's Illustrated Universal History, Vol. III - The Middle Ages", by Edmund Ollier. [Cassell and Company, Limited, London, Paris and Melbourne, 1890. ]