The idea of house makes people of every class realise that who they are and where they belong in the society.THE BROKEN LADDER is the critical art project that represent another concept of house. Instead of study house as human physical stability, Wantanee Siripattananuntakul reflects it as a human equality by exploring the rights to occupy house property of demos and find the politics of possession in the end.House, the one of four basic needs that we called property, is actually symbolic possession that autocratic alchemists turn soils into gold. The possession does not mean possession permanently. Housing price is and objective evidence that show the social ladder is broken. That's why under the same sky, we are not in the same horizon.