Pigeon House here is a pet library that people can come and read about birds, the big holes in the structure will be used as sitting area for people .at the other side shape and material of structure will be used for people and birds based on their size. Big holes for humans and the small ones for birds the subject of the project is designing a space that could build up an interaction between people and birds in a crowed neighborhood .The idea of Pigeon House come from a kind of ancient building in Iran with the same name but different function.