Answer:
Areas on the outskirts of cities where people build shacks from corrugated metal, plastic sheets, scrap wood, and other scavenged building materials are called shantytowns.
As the building of shantytowns can be beneficial in some scenarios such as these towns help to decrease the over-population of the nearby urban areas but on the other hand the making of these shantytowns can have various disadvantages such as no infrastructure and no proper sewage system.
