Jakarta is facing all sorts of problems - deadly floods, land subsidence, extreme pollution, notorious traffic and overcrowding. Indonesia’s outgoing president has come up with an extreme solution: moving the country’s capital a thousand kilometres away, to the middle of the rainforest. Will the new city be a futuristic utopia and a model for sustainable urbanisation - or an eye-wateringly expensive, ecologically disastrous ghost town? BBC Indonesia reporter Astudestra Ajengrastri travels to the island of Borneo to find out if the ambitious plans will live up to reality.