The restored Humayun’s Tomb will be inaugurated by prime minister Manmohan Singh and the Aga Khan on Wednesday. The project, which began in 1997 and will continue at least until 2017, is the largest and most ambitious heritage conservation project undertaken in India, and the only one by a non-government body, the Aga Khan Trust for Culture (AKTC).

Read More: Humayun’s Tomb Redone with Mughal Techniques

See also: After Humayun, Who? and 16th Century Tools Giving Facelift to Mughal Gateway