“Mumbai is a museum of architectural styles,” summarises Rahul Mehrotra, architect, urbanist and educator, towards the end of the 40-minute long documentary, Timeless Heritage in Stone. Directed by Behroze Bilimoria and Anand Udeshi, we found the chronicle to be an engrossing commentary of the city’s progress, but more importantly, an effective, well-researched tool to reach out to young Mumbaikars about the city’s origins.