e Albian fossil groundwater continental infill whose reserves are estimated at 1.5 trillion m. It is also sourcedThe unique layout of the Ghardaïa village is dictated by the rocky terrain of the region. Apart from the mosques and the housing pattern layout, with the mosque at the top of the hill, and the houses laid in labyrinthine alleyways, there is also a large market centre. The houses in particular are oriented in such as way that it admits sunlight into every as they strongly believe: "Inhabitants of the house where sun comes in will never see a doctor". Chimneys are also set in such a way that it does nor encroach their neighbours
