THE place is filthy, everything in the vicinity has been painted black by dust from a nearby ramshackle. An old man dressed in tattered, soot-coloured clothes is seated besides a heap of bags loaded with charcoal. Many people will be forgiven to think that the man is a vagabond sitting outside a shack.   A lady suddenly appears carrying a plastic container and goes straight to the old man who feebly puts on a smile and greets the lady with expectation...

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