Saikutsugakure

Saikutsugakure is a hidden village of the Land of Earth, and is a village underground, outsiders will have a very hard time getting inside the village as an individual could only enter by means of the 8 Doorways that cannot be seen, and could only be opened by means of a special jutsu. The village spreads as far as the mountain ranges and in the very mountains, the central village can be seen, meaning that the village can only be accessed by the one of the gates, then one has to travel underground then finally reaching the center of the village inside the mountains. The geographical features provides Saikutsugakure a very good defense to opponents, but is very bad for earthquakes, which can destroy the city, but years later the architects of the city finally made earthquake resistant structures. The village has also ventilation, source of water and a source of light by means of many invisible holes, underground water reservoir and a special gem that emits light. Mining is the main business of the people and they create crafts and weapon which they sell outside or inside the village.