Noisy music comes from a house with concrete walls, a ceramic floor and corrugated iron roof. Nothing luxurious. The newly whitewashed walls paint a striking contrast between this and other the houses, with the walls made up of unpainted boards and untiled floors. Three years ago, this house was just like others in the neighborhood.

“Their daughter has just married a Taiwanese. Look, their house is in good repair now,” says Alian, a