India, Sept. 12 -- The endgame in the battle for the verdant Aarey Colony has begun. At the heart of this is the proposed site of the Metro 3 car shed spanning nearly 35 hectares including the nearly 2,700 trees to be axed. It's the bone of contention between environmentalists and citizens on one side against the State and citizens on the other. Its outcome will determine the future of Aarey, and by extension, that of Mumbai. This then is the struggle to save Aarey itself - the sponge of the city, its green lung, its oasis....