Leaping out from Bangkok's vast concrete sprawl is a kidney-shaped green space, home to hundreds of plant and bird species, and where cars are outnumbered by bicyles.
But residents and campaigners fear the unique ecosystem and character of the city's so-called "Green Lung" is under threat as developers lure locals with lucrative land deals.
Bang Krachao is an artificial island formed by a canal and a bend in the meandering Chao Praya river.
The area stands apart on Google Maps: a swathe of greenery in an otherwise concrete jungle of traffic-choked streets, towering condos and sprawling factories.
