Which of this is not a memorial to a dead person?

A memorial to a dead person can be something designed to preserve the memory of that person. Charminar, built in 1591, is a monument and mosque located in Hyderabad, Telangana, India. It isn'ta memorial of a dead person. It is believed that charminar was built in the centre of the city to commemorate the eradication of plague.

Ans charminar