| http://www.w3.org/ns/prov#value | - This is due to the lack of waste collection services, a poor rain water drainage system, poor infrastructure and absence the of an electricity supply.Substandard and inadequate houses have been built in slums with temporary materials which are unsuitable for conditions such as straw roofs, mud, earthen floors and plaster.Overcrowding and congestion result to too little space per person, expensive
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