Enthusiasts are spreading the word about Mumbai's Art Deco buildings in a bid to preserve them

A towering cinema with a roofline like an ocean liner stands out in India's financial capital Mumbai, part of a remarkable Art Deco architectural heritage that campaigners say needs protection.

A short walk away is a state-run insurance office with giant Egyptian-style carvings, and a palm-lined seafront promenade with pastel-coloured apartments with porthole windows, curved balconies and exotic motifs.