Sar Agha Seyed: Isolated Village Nicknamed Rooftop Village

There are many remote and isolated villages in the world, of which Sar Agha Seyed village is one of them. Sar Agha Seyed is a village located in the interior of Iran, where it is known as the Atap village. So, why is Sar Agha Seyed called the rooftop village?