This event raises the hope of an undreamt-of windfall for the new wave of urban gardeners colonising gourmets colonising city roofs.
From the outside, the Paharpur Business Centre looks like any modern office block. But inside it is a virtual jungle where rooms and corridors are lined with more than 7,000 potted plants and creepers.
Made out of cast iron, the iconic ornate building has been dubbed the "Iron Church".
In the city's lower-income neighbourhoods such as Laoximen, people are too poor to pay for electric heaters.
The building has fallen into disrepair with trees and vegetation sprouting out of its roof and windows.
The gathering pace of gentrification in the capital could be "the death of clubs".
For acclaimed architect Joost van Grieken, home follows the aquatic path of Bali’s sacred Ayung River.
The ambitious Art Deco Mumbai project aims to document every single one and educate residents about the buildings' origins to ensure the "style moderne" architectural legacy of India's financial capital is preserved.