"In this entire context, it also needs to be added that there exist hundreds of examples, all over the country, of the destruction of temples and incorporation of their material in the mosques during the mediaeval times. ... in Delhi, there is the Quwwatu'l-Islam Mosque (Might of Islam) near the Qutb Minar, which incorporated parts of a large number of temples that had been wantonly destroyed by Qutub-ud-din Aibak. ... a colonnade which was constructed by using sculpted pillars of the demolished 27 Hindu and Jain temples."