Growing skales in small sacks

Many people who are living in Kibera hus come out with a certain project which has reduced the money they would use in buying kales(sukuma wiki).This is because they have started growing their own kales in small sacks around they houses.
This has changed life of many as some extended this project up to daily income  project,They can sell their kale to get money to use in buying other things. 

Location: Kibera Kianda, NAIROBI, KENYA