The Bagh-e-Hassan Khan street was one of this most primary and historical alleys which led to the Shrine at Mashhad.the municipality asked our office to design a small park, in an undefined space between two historical houses.Regarding to the historical records and maps, we found out that there was an old building in this space which was destroyed and changed into the lost space.we decided to find out what the remained parts of the old building were still in the underground.we use the original and recycle bricks of the historical building in the new construction.