Indonesia's capital Jakarta is struggling to cope with a mounting waste problem, with its main dump site approaching capacity. In response, one group of volunteers - the Jakarta chapter of Switzerland-based group Trash Hero World - has started a movement to clean parks and streets in the city, and raise awareness of the problem. Garbage is just part of a wider pollution crisis that has seen Jakara top global pollution rankings multiple times in recent months, and an impending sinkage of large parts of the city due to groundwater extraction. IMAGES AND SOUNDBITES ARRANGED IN SEQUENCES