The ruined Great Stupa of Vikramashîla Mahâvihâra, Antichak, West Bengal
(From The Art of Eastern India, 300-800" by Frederick M. Asher, 1980)
General view from the north. Its plan is almost the same as that of Paharpur.
The Mahavihara was destroyed by the army of
Muhammad ibn Bakhtiar Khilji of the Delhi Sultanat in 1203,
10 years after that of the Nalanda, marking the end of Indian Buddhism.

Great Stupa of Paharpur Mahâvihâra, Bangladesh.
General view from the north.
For the detail of Paharpur, see the page of "Somapura Mahavihara
in Paharpur" in the "UNESCO World Heritage Sites in India"